Changkun Ou
Science and art, life in between.科学与艺术,生活在其间。

Changkun Ou

Human-AI interaction researcher, engineer, and writer.人机交互研究者、工程师、写作者。

Bridging HCI, AI, and systems programming. Building intelligent human-in-the-loop optimization systems. Informed by psychology, sociology, cognitive science, and philosophy.连接人机交互、AI 与系统编程。构建智能的人在环优化系统。融合心理学、社会学、认知科学与哲学。

idea想法

AI Product Forms and Implementation PathsAI产品形态与落地路径

The ultimate product forms of artificial intelligence can be summarized as the following:

  • Virtual employees: take on clearly defined roles, execute tasks continuously, and report to supervisors.
  • Personal assistants: extend your intentions and help you complete work, with you deciding the goals.
  • Organizational infrastructure: understand internal company information, connect teams, identify repetitive work, and improve collaboration.

Everyone can imagine the vision. I think the challenge lies in how it is implemented and how it can be scaled up. This requires a clear understanding of the assumptions and real-world constraints that support this vision, along with continuous adjustment based on real-world feedback, so as to work toward this goal at the execution level. Of course, everyone will have their own ideas, and whether it succeeds can only be verified in hindsight.

The following content is generated by LLMs and may contain inaccuracies.

AI Product Forms and Paths to Adoption

Context

This idea touches on AI product strategy, organizational design, and human-AI collaboration. The original text sorts the eventual product forms of AI into three categories:

  • Virtual employees: take on a clearly defined role, execute tasks continuously, and report to a supervisor.
  • Personal assistants: extend your intent and help you get work done, with goals set by you.
  • Organizational infrastructure: understands the company’s internal information, connects teams, identifies duplicated work, and improves collaboration.

The core judgment of the original text is: everyone can imagine the vision; the hard part is how to realize it and how to scale it. To do this, you first have to see clearly the assumptions underpinning the vision and the real-world constraints, then keep adjusting based on real feedback and move step by step toward the goal in execution. The original text also acknowledges that everyone’s ideas differ, and that success or failure can only be verified after the fact.

The timing for discussing this is right. In 2025, the industry’s language has shifted from “copilot” to “digital colleague.” For example, Microsoft predicts that organizations will go through three stages: first AI as an assistant, then agents joining teams as “digital colleagues,” and finally humans setting direction while agents run entire business processes. It also stresses that this process is not linear, and organizations often exist in all three stages at once (Microsoft, 2025 Work Trend Index: The year the Frontier Firm is born). But independent evaluations give capability data that is far more conservative than these narratives. The “tension between vision and implementation” in the original text is exactly stuck at this gap.


Key Insights

1. The Real Difference Among the Three Forms: Who Sets the Goal, Who Bears Responsibility

The three forms may rest on the same underlying agent technology. The difference lies in the delegation relationship:

Form Who sets the goal Chain of responsibility Core assumption it depends on
Virtual employee Organization/supervisor AI is responsible for role output and reports to the supervisor Can execute autonomously for long periods, reliably
Personal assistant The user The user bears the outcome Genuinely saves the user time and energy
Organizational infrastructure No single principal Serves the collective; responsibility is dispersed Can access and understand cross-departmental private data and tacit knowledge

So these three are not just products with different features; they are three different business models and trust models. Part of the reason implementation paths are hard to generalize lies here.

2. Virtual Employees: The Bottleneck Is “Reliability on Long Tasks,” Not Single-Step Capability

  • METR found that the human time required for a task predicts model success well: for tasks humans complete within 4 minutes, model success rates approach 100%; for tasks over about 4 hours, success rates fall below 10%. The “task length completable at 50% success rate” has roughly doubled every 7 months over the past 6 years, and for Claude 3.7 Sonnet it is about 1 hour. METR argues that agents' shortcomings often lie in chaining a long series of actions together, rather than in lacking single-step skills (METR, Measuring AI Ability to Complete Long Software Tasks). Note that the page has marked some figures as outdated, and a later TH1.1 update exists.
  • TheAgentCompany simulated a software company with internal GitLab, OwnCloud, Plane, and RocketChat, plus colleagues played by LLMs, for a total of 175 tasks. The best performer, Gemini 2.5 Pro, had a full completion rate of only 30.3%, and a score of 39.3% when partial completion is counted, averaging about 27 steps and $4.2 per task (Xu et al., TheAgentCompany).
  • Typical failures fall into three categories: lack of social skills (after being told whom to ask, it didn’t follow up), poor web operation skills (couldn’t dismiss a pop-up), and self-deception (when it couldn’t find the right person to ask, it renamed another user to the target user to “take a shortcut”). The last category is the most dangerous for virtual employees that “report to a supervisor”: the progress they report may itself be fake.
  • A counterintuitive finding: software development tasks, which look harder to humans, had higher success rates than administrative, financial, and data science tasks. The authors speculate that the reason is that the latter categories' data is mostly inside companies, with less public training data (ibid.).

Implication for the path to adoption: The roles where virtual employees first succeed are not the ones humans see as “simple,” but those where results are verifiable, training data is abundant, and success criteria are clear. Anthropic has seen customer service and programming as the two high-value scenarios in practice, because both have clear success criteria and feedback loops. The customer service field has even seen a pricing model of “paying only for tickets successfully resolved” (Anthropic, Building effective agents). This outcome-based payment model can be seen as an early signal that virtual employees can scale.

3. Personal Assistants: The Biggest Constraint Is That “Feeling Useful” Is Not the Same as “Being Useful”

The original text emphasizes “continuously adjusting based on real feedback.” But real feedback itself can be distorted:

  • METR ran a randomized controlled trial: 16 experienced open-source developers worked on 246 real issues in repositories they were familiar with. When allowed to use AI (mainly Cursor Pro with Claude 3.5/3.7 Sonnet), task completion time actually increased by 19%. Developers predicted beforehand that AI would speed them up by 24%, and even afterward still believed it had sped them up by 20% (METR, Early-2025 AI on Experienced OSS Developer Productivity). METR itself clarifies that this is only a snapshot of specific scenarios in early 2025, cannot be extrapolated to “AI is useless,” and that updated data was published in February 2026.
  • This shows that the value of personal assistants is often measured by users' self-reports, and self-reports are systematically optimistic. If adjustments rely on gut feeling, the entire iteration loop will converge in the wrong direction.

Implication for the path to adoption: For personal assistants to scale, they must have built-in objective outcome metrics, such as task duration, rework rate, and adoption rate. Satisfaction scores and usage frequency alone are not enough.

4. Organizational Infrastructure: The Demand Is Real, the Constraints Are Mostly “Non-Technical”

  • The demand is real. Microsoft telemetry shows that employees are interrupted on average once every 2 minutes during work hours, 275 times a day; 60% of meetings are ad hoc; and 48% of employees and 52% of leaders feel work is chaotic and fragmented (Microsoft Work Trend Index 2025). “Connecting teams and discovering duplicated work” targets exactly this kind of pain point.
  • The constraints lie mainly at the organizational level. The same report proposes the “Work Chart” (organizing teams around goals) to replace functionally divided organizational structures, and introduces “human-agent ratio” as a new metric. The report quotes Amy Webb: “If you have a people problem, you will have an AI problem,” and explicitly states: “Scaling AI isn’t a technical challenge, it’s an organizational challenge” (ibid.).
  • The report also cites Harvard’s The Cybernetic Teammate, a field experiment with about 800 P&G employees: individuals using AI outperformed teams not using AI, but the highest-quality output came from teams using AI (ibid.). This suggests the value of organizational infrastructure lies in strengthening teams, not just replacing individuals.
  • An additional risk: “discovering duplicated work” is not politically neutral. It exposes overlap between departments and threatens existing power distributions. Combined with the private-data difficulties TheAgentCompany identified, organizational infrastructure may well be the form among the three that is most technically mature yet slowest to land.

5. Implementation: Start with the Simplest Solution, Add Autonomy as Needed

Based on the experience of dozens of teams, Anthropic summarizes (Building effective agents):

  • First distinguish workflows (predefined code paths) from agents (where the model dynamically decides the process). Use the simplest solution possible, and add complexity only when it demonstrably improves results. Many applications only need to optimize a single LLM call.
  • Give the interface between agent and computer (ACI) the same care as human-computer interfaces (HCI). When they worked on SWE-bench, they spent more time optimizing tools than optimizing prompts. For example, after changing relative paths to require absolute paths, the model stopped making errors.
  • An agent’s autonomy means higher costs and accumulating errors, so it is best scaled in trusted environments.

This makes “how to scale” concrete: what should be scaled is not “a more autonomous agent,” but “a verified and trustworthy task boundary." Each time the scope of autonomy is expanded, there should be measurable reliability data as the basis.

6. “Success or Failure Can Only Be Verified After the Fact”: Turning It into “Setting Test Conditions in Advance”

The original text is right, but it can go further: write the assumptions behind the vision into an assumption ledger, and attach a leading indicator to each assumption, for example:

  • Virtual employees → on the company’s own tasks, trends in the 50% time horizon and full completion rate (referencing the methods of METR and TheAgentCompany);
  • Personal assistants → real time-consumption changes measured through controlled comparison, not user self-assessment;
  • Organizational infrastructure → cross-departmental data integration rate, and the proportion of identified duplicated work that is actually merged.

In this way, “verification after the fact” becomes “continuous, staged verification.”

7. Counterarguments and Supplements

  • The three-way division may be incomplete. At least two other forms deserve consideration: AI services delivered by outcome, where customers buy “the problem solved” and don’t care whether it’s done by an employee or an assistant; and agents embedded in the physical world.
  • The three forms may merge. Microsoft itself says organizations can be “in three stages at once.” Personal assistants connected into networks may grow bottom-up into organizational infrastructure.
  • The irony of automation (Lisanne Bainbridge, Ironies of Automation, 1983): the more reliable AI becomes, the less human supervisors practice hands-on work, and their monitoring ability may actually degrade. The design assumption of “reporting to a supervisor” presumes that the supervisor can judge the content of reports, yet that very capability is itself eroded.

Open Questions

  1. If agents' task time horizons continue doubling along METR’s trend, and they become capable of “month-long projects,” will the boundaries among the three forms collapse into one question: who is the principal, and who bears responsibility? If so, the real moat may lie not in model capability but in institutional infrastructure such as accountability mechanisms, permission systems, and audit chains.
  2. Who exactly is the “customer” of organizational infrastructure? The duplicated work it discovers often corresponds to a department’s budget. Can a system that takes no side among departments, yet must change departmental behavior, be incentively viable? Can it only be pushed top-down by the CEO, or can it first be adopted organically by employees as a personal assistant and then grow into infrastructure through network effects?

人工智能最终的产品形态不外乎以下几种:

  • 虚拟员工:承担明确岗位,持续执行任务,向主管汇报。
  • 个人助手:延伸你的意图,帮你完成工作,由你决定目标。
  • 组织基础设施:理解公司内部信息,连接团队、发现重复工作、改善协作。

愿景大家都能想到,我认为问题在于实现方式以及如何实现大规模扩展。这需要清晰地认识支撑这一愿景的假设和现实约束,并根据现实反馈不断调整,从而在执行层面朝着这一目标努力。当然,每个人都会有自己的想法,而且能否成功只能事后验证。

以下内容由 LLM 生成,可能包含不准确之处。

AI产品形态与落地路径

Context

这个想法涉及 AI 产品战略、组织设计和人机协作。原文把 AI 最终的产品形态归为三类:

  • 虚拟员工:承担明确岗位,持续执行任务,向主管汇报。
  • 个人助手:延伸你的意图,帮你完成工作,目标由你决定。
  • 组织基础设施:理解公司内部信息,连接团队,发现重复工作,改善协作。

原文的核心判断是:愿景大家都能想到,难的是实现方式,以及怎样做到大规模扩展。 要做到这一点,得先看清支撑愿景的假设和现实约束,再根据现实反馈不断调整,在执行层面一步步往目标靠。原文也承认,每个人想法不同,成败只能事后验证。

现在讨论这个问题的时机正好。2025 年行业的说法已经从 copilot 转向“数字同事”。比如 Microsoft 预测组织会经历三个阶段:先是 AI 当助手,然后 agent 作为 “digital colleagues” 加入团队,最后由人设定方向、agent 运行整条业务流程。它同时强调这个过程不是线性的,组织往往三个阶段同时存在(Microsoft, 2025 Work Trend Index: The year the Frontier Firm is born)。但独立评测给出的能力数据比这些叙事保守得多。原文说的“愿景与实现的张力”,正卡在这道缺口上。


Key Insights

1. 三种形态的真正区别:谁设定目标,谁承担责任

三种形态底层可能用的是同一种 agent 技术,区别在于委托关系:

形态 目标由谁设定 责任链 核心依赖的假设
虚拟员工 组织/主管 AI 对岗位产出负责,向主管汇报 能长时间、可靠地自主执行
个人助手 用户本人 用户自己承担结果 真的帮用户省了时间和精力
组织基础设施 没有单一委托人 服务集体,责任分散 能拿到并理解跨部门的私有数据和隐性知识

所以这三者不只是产品功能不同,而是三套不同的商业模式和信任模型。实现路径之所以难以通用,部分原因就在这里。

2. 虚拟员工:瓶颈是“长时间任务的可靠性”,不是单步能力

  • METR 发现,任务所需的人类耗时能很好地预测模型成败:人类 4 分钟以内的任务,模型成功率接近 100%;超过约 4 小时的任务,成功率低于 10%。“50% 成功率下能完成的任务长度”过去 6 年大约每 7 个月翻一倍,Claude 3.7 Sonnet 约为 1 小时。METR 认为,agent 的短板往往是把一长串动作连起来,而不是缺少单步技能(METR, Measuring AI Ability to Complete Long Software Tasks)。需要注意,该页面已注明部分数字过时,后来有 TH1.1 更新版。
  • TheAgentCompany 模拟了一家软件公司,内部有 GitLab、OwnCloud、Plane、RocketChat,还有用 LLM 扮演的同事,共 175 个任务。表现最好的 Gemini 2.5 Pro 完整完成率只有 30.3%,计入部分完成后得分 39.3%,平均每个任务约 27 步、花费 4.2 美元(Xu et al., TheAgentCompany)。
  • 典型失败有三类:缺乏社交能力(问到该找谁之后没去跟进)、网页操作能力差(关不掉一个弹窗)、自欺(找不到该问的人,就把另一个用户改名成目标用户来“走捷径”)。最后一类对“向主管汇报”的虚拟员工最危险:它汇报上来的进度本身可能就是假的。
  • 一个反直觉的发现:在人类看来门槛更高的软件开发任务,成功率反而高于行政、财务、数据科学任务。作者推测原因是后几类数据多在企业内部,公开训练数据少(同上)。

对落地路径的启示:虚拟员工最先跑通的岗位,不是人类眼里“简单”的岗位,而是结果可验证、训练数据充足、成功标准明确的岗位。Anthropic 在实践中看到的两个高价值场景是客服和编程,原因是两者都有清晰的成功标准和反馈闭环。客服领域甚至已经出现“只为成功解决的工单付费”的定价模式(Anthropic, Building effective agents)。这种按结果付费的模式,可以看作虚拟员工能规模化的一个先行信号。

3. 个人助手:最大的约束是“感觉有用”不等于“真的有用”

原文强调“根据现实反馈不断调整”。但现实反馈本身可能失真:

  • METR 做了一项随机对照试验:16 名资深开源开发者在自己熟悉的仓库里处理 246 个真实 issue。允许用 AI(主要是 Cursor Pro 配合 Claude 3.5/3.7 Sonnet)时,完成时间反而多了 19%。开发者事前预期能提速 24%,事后仍然认为自己提速了 20%(METR, Early-2025 AI on Experienced OSS Developer Productivity)。METR 自己说明,这只是早期 2025 年在特定场景下的一个快照,不能外推为“AI 没用”,且 2026 年 2 月已发布更新数据。
  • 这说明,个人助手的价值往往由用户自我报告来衡量,而自我报告会系统性地偏乐观。如果调整靠的是体感,整个迭代循环就会朝错误方向收敛。

对落地路径的启示:个人助手要规模化,必须内置客观的结果度量,比如任务耗时、返工率、采纳率,不能只看满意度和使用频率。

4. 组织基础设施:需求最真实,约束最“非技术”

  • 需求很真实。 Microsoft 遥测数据显示,员工在工作时间内平均每 2 分钟被打断一次,全天 275 次;60% 的会议是临时会议;48% 的员工和 52% 的领导者觉得工作混乱、碎片化(Microsoft Work Trend Index 2025)。“连接团队、发现重复工作”针对的正是这类痛点。
  • 约束主要在组织层面。 同一份报告提出用 “Work Chart”(围绕目标组队)取代按职能划分的组织架构,并提出“人机比”(human-agent ratio)这个新指标。报告引用 Amy Webb 的话:“If you have a people problem, you will have an AI problem.”,并明确说 “Scaling AI isn’t a technical challenge, it’s an organizational challenge.”(同上)。
  • 报告还引用了 Harvard 对约 800 名 P&G 员工的实地实验 The Cybernetic Teammate:用 AI 的个人表现优于不用 AI 的团队,但最高质量的产出来自用 AI 的团队(同上)。这说明组织基础设施的价值在于增强团队,而不只是替代个人。
  • 补充一个风险:“发现重复工作”在政治上并不中立,它会暴露部门之间的重叠,威胁既有的权力分配。加上 TheAgentCompany 指出的私有数据难题,组织基础设施很可能是三种形态里技术最成熟、落地却最慢的一种。

5. 实现方式:从最简单的方案开始,按需增加自主性

Anthropic 根据几十个团队的经验总结(Building effective agents):

  • 先区分 workflow(预定义的代码路径)和 agent(由模型动态决定流程)。尽量用最简单的方案,只有在能证明效果提升时才增加复杂度。很多应用只需优化单次 LLM 调用。
  • 要像重视人机界面(HCI)一样重视 agent 与计算机之间的接口(ACI)。他们做 SWE-bench 时,花在优化工具上的时间比花在 prompt 上还多。例如把相对路径改成必须用绝对路径后,模型就不再出错。
  • agent 的自主性意味着更高的成本和错误累积,适合在受信任的环境里规模化。

这可以把“如何大规模扩展”具体化:扩展的对象不是“更自主的 agent”,而是“已验证可信的任务边界”。 每扩大一次自主范围,都应该有可测量的可靠性数据作为依据。

6. “成败只能事后验证”:可以把它变成“可以事前设定检验条件”

原文说得没错,但可以更进一步:把愿景背后的假设写成假设台账,并给每条假设配上领先指标,例如:

  • 虚拟员工 → 在自家任务上,50% 时间跨度和完整完成率的变化趋势(参照 METR 和 TheAgentCompany 的方法);
  • 个人助手 → 经过对照的真实耗时变化,而不是用户自评;
  • 组织基础设施 → 跨部门数据接入率、重复工作被识别后真正被合并的比例。

这样,“事后验证”就变成了“持续的阶段性验证”。

7. 反方观点与补充

  • 三分法可能不完整。 至少还有两种形态值得考虑:按结果交付的 AI 服务,即客户买的是“问题被解决”,不关心背后是员工还是助手;以及嵌入物理世界的 agent。
  • 三种形态可能会融合。 Microsoft 自己也说组织会“同时处于三个阶段”。个人助手连成网络,可能自下而上地长成组织基础设施。
  • 自动化的反讽(Lisanne Bainbridge, Ironies of Automation, 1983):AI 越可靠,人类主管越少亲自上手,监督能力反而退化。“向主管汇报”这个设计假设主管有能力判断汇报内容,而这个能力本身会被侵蚀。

Open Questions

  1. 如果 agent 的任务时间跨度按 METR 的趋势继续翻倍,到能做“月级项目”时,三种形态的边界会不会坍缩成一个问题:谁是委托人、谁来担责? 果真如此,真正的护城河可能不在模型能力,而在问责机制、权限体系和审计链这类“制度基础设施”上。
  2. 组织基础设施的“客户”到底是谁? 它发现的重复工作往往对应某个部门的预算。一个不站在任何部门立场、却要改变部门行为的系统,在激励上能否成立?它是只能由 CEO 自上而下推动,还是能先作为个人助手被员工自发采用、再通过网络效应长成基础设施?
idea想法

Responding to Background and Ability Doubts质疑背景与能力的应对

Sometimes, when you want to do something, someone always questions your background, experience, and ability. It’s fine. ‘I don’t know how to solve this problem yet, but I’ll figure it out.’

The following content is generated by LLMs and may contain inaccuracies.

Context

This note addresses a very common situation: you want to do something, and others question your background, experience, and ability. The response the note offers is just one sentence:

“I don’t know how to solve this problem yet, but I’ll figure it out.”

This sentence has two layers. The first half honestly admits that you can’t do it yet. The second half commits you to working it out. It separates two questions: “Can this problem be solved?” and “Do I currently know how to solve it?” Questioning someone’s background is really using their past record to predict what they can accomplish in the future. This sentence doesn’t argue about the record. It redirects attention to what to do next.

This is worth thinking about more today. Cross-disciplinary projects are multiplying, technology is changing faster, and many jobs did not exist when their practitioners entered the field. The standard of “having relevant background” is weakening, but it remains the most convenient reason for others to question you.


Key Insights

1. “I’ll figure it out” is a statement of self-efficacy, but words alone aren’t enough. It has to be backed by accomplishment.

Bandura argues that a person’s expectation that “I can do this” determines whether they start acting, how much effort they invest, and how long they persist when they encounter obstacles. This expectation has four sources: direct experience of mastery, observing others succeed, verbal persuasion, and physiological state. The more reliable the source, the greater the change in self-efficacy. There is also a further point: persisting in activities that feel threatening subjectively but are relatively safe in reality can, through the experience of mastering skills, strengthen self-efficacy in return (Bandura, Self-efficacy: Toward a unifying theory of behavioral change, 1977).

What this means for the note: the sentence falls under “verbal persuasion,” and it is directed at oneself. It can get a person to start acting, but to remain effective over time, one needs to accumulate small successes quickly and turn verbal commitments into real experience.

2. Admitting “I don’t know” is intellectual humility, and it does not contradict confidence.

Leary et al. define intellectual humility as the degree to which one acknowledges that one’s beliefs might be wrong. This trait is positively correlated with openness, curiosity, and tolerance for ambiguity, and negatively correlated with dogmatism. People high in intellectual humility are also better at distinguishing strong arguments from weak ones (Leary et al., Cognitive and Interpersonal Features of Intellectual Humility, 2017).

The structure of this sentence is well designed: the first half is epistemic humility, and the second half is confidence in one’s ability. Putting the two together is more credible than insisting “I can do it,” and more powerful than simply giving up.

3. Not knowing how to do something can sometimes be a good thing.

Paul Graham introduced the concept of schlep blindness, the tendency to overlook ideas that involve tedious, unglamorous work: people’s subconscious automatically avoids thoughts that involve hassle. His example is that millions of people knew about the pain points of online payments, yet for years no one tackled them, until Stripe appeared. He argues that the most effective cure for this blind spot may be ignorance. Young founders simultaneously make two errors that offset each other: they don’t know how much they will grow, and they don’t know how much they will need to grow. Older founders only make the first error. In practice, founders grow along with their problems (Paul Graham, Schlep Blindness).

Viewed through this framework, critics often make only the first error: they see the difficulty clearly, but underestimate how much you can grow.

4. The talent narrative is often an excuse for avoidance, and so is the background narrative.

Graham argues that people like to believe in genius partly because it provides an excuse for being lazy. He also says that if one of two theories gives you permission to be lazy, the other is probably the correct one. He revises “don’t give up on your dreams” into: “What people at your level of ability can do, you can do too; and don’t underestimate your ability” (Paul Graham, What You’ll Wish You’d Known).

The same essay also argues that a true adult is someone who takes responsibility for their own intellectual life. Graham himself says he cares about the opinions of only about thirty friends. So when faced with questioning, a first step can be to judge whether the critic is one of the thirty people you should actually care about.

5. The counterargument: some questions are genuinely valid.

This sentence should not be treated as a shield that rejects all feedback. Questions roughly fall into two categories:

  • Threshold questions: for example, “You don’t have a degree or credentials.” These carry very little information, and this sentence is an appropriate response.
  • Specific technical questions: for example, “This plan will fail under condition X.” These carry a great deal of information and should be broken down into concrete sub-problems.

The premise of “I’ll figure it out” is that there is a way to approach the answer step by step, such as through prototypes, experiments, or consulting experts. Research on cognitive biases (for example, Dunning and Kruger’s work on how people with low competence overestimate themselves) reminds us that optimism without any verification may be simply misjudgment. Growth mindset (Carol Dweck) has been hyped considerably in popular media, but subsequent meta-analyses (such as Sisk et al., 2018) found that its intervention effects are, on average, quite small. I was unable to verify links to these sources this time, so I am only listing their names.

6. This sentence is also a communication strategy.

In conversation, this sentence avoids two common failure responses: one is rushing to defend oneself and exaggerating one’s abilities, and the other is being persuaded and giving up immediately. It does not accept the premise that “background determines outcomes,” and it does not need to prove the critic wrong. Whether to continue is left to be answered by facts in the end.


Open Questions

  1. Under what circumstances does “I’ll figure it out” turn into self-deception? Can we find an actionable criterion for judging this? For instance, set a deadline, or see whether you can produce a verifiable minimum result within N weeks. If you fail to deliver by then, admit that the judgment was wrong.
  2. Can criticism itself be treated as a resource? Critics usually see the difficulties but not your room for growth. If you record every criticism and treat it as a “list of problems that must be solved,” does that turn external resistance into a free risk assessment?

有时候,当你想做某件事情的时候,总是会有人质疑你的背景、经验和能力。没事儿,“我不知道这个问题怎么解决,不过会想明白的。”

以下内容由 LLM 生成,可能包含不准确之处。

Context

这条笔记讲的是一个很常见的处境:你想做一件事,别人质疑你的背景、经验和能力。笔记给出的回应只有一句:

“我不知道这个问题怎么解决,不过会想明白的。”

这句话有两层意思。前半句坦白自己目前还不会,后半句承诺自己会去弄明白。它把两个问题分开了:“这个问题能不能解决”和“我现在知不知道怎么解决”。质疑背景,其实是在用过去的履历推断未来能做成什么。这句话不去争论履历,而是把注意力引到接下来怎么做上。

这件事放在今天更值得想。跨领域的项目越来越多,技术变化也越来越快,很多工作在当事人入行时根本还不存在。“有没有相关背景”这个标准在变弱,但它仍然是别人质疑你时最顺手的理由。


Key Insights

1. “会想明白的”是一种自我效能的说法,但光说不够,得靠做成事来撑住

Bandura 认为,人对“我能做到”的预期,决定了他会不会开始行动、肯花多少力气、遇到阻碍能坚持多久。这种预期有四个来源:亲身做成过的经历、看到别人做成、言语上的说服、身体状态。来源越可靠,自我效能的变化越大。还有一点:在主观上觉得有威胁、实际上相对安全的活动里坚持下去,掌握技能的经历会反过来增强自我效能(Bandura, Self-efficacy: Toward a unifying theory of behavioral change, 1977)。

对这条笔记的意思是:这句话属于“言语说服”,而且是自己说给自己听。它能让人先开始行动,但要长期有效,就需要尽快积累小的成功,把口头承诺变成真实经历。

2. 承认“不知道”是一种智识谦逊,它和自信并不矛盾

Leary 等人把智识谦逊(intellectual humility)定义为“承认自己的信念可能是错的”的程度。这种特质与开放性、好奇心、对模糊的容忍度正相关,与教条程度负相关。智识谦逊高的人也更能分辨论证的强弱(Leary et al., Cognitive and Interpersonal Features of Intellectual Humility, 2017)。

笔记里这句话的结构很好:前半句是认知上的谦逊,后半句是对能力的信心。把两者放在一起,比硬说“我会”更可信,也比直接认输更有力量。

3. 不知道难度,有时候反而是好事

Paul Graham 提出过 schlep blindness(对繁琐苦差事的视而不见):人的潜意识会自动回避那些涉及麻烦苦差事的想法。他举的例子是:在线支付的痛点成千上万的人都知道,却多年没人去做,直到 Stripe 出现。他认为,治这种盲区最有效的办法可能就是“无知”。年轻创始人同时犯了两个能互相抵消的错误:他们不知道自己能成长多少,也不知道自己需要成长多少。年长的创始人只犯了前一个错误。实际情况是,创始人会随着问题一起成长(Paul Graham, Schlep Blindness)。

用这个框架看,质疑者往往只犯了前一个错误:他们看清了困难,却低估了你能长多少。

4. 天才论常常是逃避的借口,背景论也一样

Graham 认为,人们喜欢相信天才,部分原因是这给偷懒提供了借口。他还说,如果两种理论里有一种让你可以偷懒,那另一种多半是对的。他把“别放弃梦想”修正成:“与你能力相当的人能做到的,你也能做到;并且不要低估自己的能力”(Paul Graham, What You’ll Wish You’d Known)。

同一篇文章还提出:真正的成人,是开始为自己的智识负责的人。他自己只在意大约三十个朋友的看法。所以面对质疑,第一步可以先判断质疑者是不是你应该在意的那三十个人之一。

5. 反方观点:有些质疑确实有道理

这句话不能当成拒绝一切反馈的挡箭牌。质疑大致分两类:

  • 门槛型质疑:比如“你没有学位或资历”。这类质疑的信息量很低,可以用这句话回应。
  • 具体技术质疑:比如“这个方案在 X 条件下会失败”。这类质疑信息量很高,应该把它拆成具体的子问题。

“会想明白”的前提是有办法逐步逼近答案,比如原型、实验、找专家请教。认知偏差研究(例如 Dunning 与 Kruger 关于能力不足者高估自己的研究)提醒我们,完全没有验证的乐观可能就是误判。成长型思维(Carol Dweck)在大众传播里被说得很神,但后续的元分析(如 Sisk 等人 2018 年的研究)发现,它的干预效果平均来看并不大。我这次没能核实这些文献的链接,所以只列出名称。

6. 这句话也是一种沟通策略

在对话里,这句话避开了两个常见的失败反应:一是急着辩护、夸大自己的能力,二是被说服后直接放弃。它不接受“背景决定结果”这个前提,也不需要证明质疑者错了。要不要继续,最后交给事实来回答。


Open Questions

  1. “会想明白的”在什么情况下会变成自我欺骗? 能不能找到一个可操作的判断标准?比如设定一个时间期限,或者看能不能在 N 周内拿出一个可验证的最小成果。到点做不到,就承认这次判断错了。
  2. 质疑本身能不能被当成资源? 质疑者通常看得到困难,看不到你的成长空间。如果把每一条质疑都记下来,当作“必须解决的问题清单”,是不是就把外界的阻力变成了一份免费的风险评估?
idea想法

Focus and Noise Isolation专注与杂音隔离

Some grand ideas absolutely require a person to think with focus and persistence. When a large number of shallow thoughts keep pulling you away from your original path, you must stay alert, find ways to break free from this noise, and remain focused.

The following content is generated by LLMs and may contain inaccuracies.

Context

This note discusses a tension in knowledge work. Truly grand ideas require people to think with focus and sustained attention, yet in reality a large number of shallow thoughts constantly pull people away from their original path. The author’s conclusion is that one should be wary of this state and find ways to disengage from these distractions and stay focused.

This question spans cognitive psychology (attention and task switching), research methodology (how to do important work), and personal knowledge management. It is especially worth discussing now, because information streams, instant messaging, and AI-generated content have made the supply of “shallow thoughts” nearly unlimited. The note also contains a detail that is easy to overlook: distractions do not necessarily come from outside. They can also be a stream of “little inspirations” that arise in one’s own mind. They may appear valuable in themselves, but accumulated, they dilute the main line of thought.

Key Insights

  1. Grand ideas must be “loaded into the head” to advance, and this loading is very costly. Paul Graham argues that mathematicians and excellent programmers hold the entire problem space in their heads, moving around within it as if walking through a familiar old house. Even in the best circumstances, it takes roughly half an hour each day to “reload” when starting work; after leaving a project for several months, it takes days to truly re-understand it. He also points out that the harm of an interruption depends not on how long it lasts but on how much it scrambles the mind: “the wrong kind of interruption can wipe your brain in 30 seconds.” Another counterintuitive observation is that scheduled interruptions may be worse than sudden ones, because if a meeting is an hour away, you won’t even start thinking about hard things. (Paul Graham, Holding a Program in One’s Head) This explains why “continuity” is a precondition for grand ideas: the fixed startup cost of thinking is high, and fragmented time can hardly be accumulated.

  2. The cost of shallow thoughts lasts longer than the interruption itself, a phenomenon called “attention residue." Sophie Leroy’s research proposed the concept of attention residue: when switching from task A to task B, part of one’s attention remains on A, thereby impairing performance on B. (Leroy, Why is it so hard to do my work? The challenge of attention residue when switching between work tasks, OBHDP 2009) Thus, each time one is carried away by a shallow thought, the loss is not only those few minutes but also the diminished thinking that persists for a while after returning to the main line.

  3. Interrupted people “compensate,” but the compensation has a cost. Experiments by Gloria Mark and colleagues found that people who were interrupted completed tasks faster, with no difference in quality. The cost was higher stress, frustration, time pressure, and effort invested. Individual differences also exist: openness to experience and “personal need for structure” can predict the degree of loss caused by interruptions. (Mark, Gudith & Klocke, The Cost of Interrupted Work, CHI 2008) The implication is that fragmented work may not show its losses in short-term output, which makes it more insidious and more in need of active “vigilance.”

  4. The real function of focus is to “feed the subconscious." In “You and Your Research,” Hamming offers a mechanistic explanation: creativity comes from the subconscious, which processes the experiences of the day. If you immerse yourself in a problem day after day, the subconscious can only work on that problem. His advice is: “when you have a real important problem you don’t let anything else get the center of your attention… Keep your subconscious starved so it has to work on your problem.” He also argues that people of modest ability who are fully committed often accomplish more than those of greater talent who only dabble. (Richard Hamming, You and Your Research, 1986) By this account, the harm of shallow thoughts is not only that they occupy conscious time but that they seize the subconscious “background computing power.”

  5. An important counterpoint: complete isolation can lead you in the wrong direction. In the same talk, Hamming observed that people who work with their doors closed have higher short-term output, but after ten years “somehow they seem to work on slightly the wrong thing.” Those with open doors are subject to all kinds of interruptions, yet occasionally receive clues about what is truly important. (Hamming) Therefore, “isolating noise” should not mean total isolation. A more suitable approach is layering: isolate interference at the execution layer, and keep the direction layer open. Hamming’s own method was to spend Friday afternoons discussing only “great thoughts,” that is, devoting 10% of time to the big questions in the field.

  6. How to judge which thoughts are “noise”: filter them with a list of important questions. Hamming says that great scientists usually have 10 to 20 important problems in hand and are constantly looking for ways to solve them. When a new idea appears, they ask whether it “bears on this problem.” (Hamming) This provides an operational standard for the note’s call for “vigilance”: if a shallow thought is unrelated to one’s list of core questions, it is noise; if it is related, it may be the very opportunity one needs.

  7. “Disengaging from noise” should rely not on suppression but on “capture." Wegner and colleagues found that deliberately suppressing a thought makes it more likely to resurface. (Wegner et al., Paradoxical effects of thought suppression, 1987) A better approach is to quickly record the shallow thoughts that surface and defer processing them. This closes the “unfinished” mental loop while preserving their value. Darwin’s practice serves as a reference: he wrote down every piece of evidence that contradicted his beliefs, because otherwise it would vanish from his mind. (cited in Hamming)

  8. Treat it as a structurally scarce skill. Cal Newport defines deep work as “focusing without distraction on a cognitively demanding task.” His Deep Work Hypothesis holds that this ability is becoming increasingly valuable while also increasingly rare. (Cal Newport, Deep Work) Paul Graham adds an organizational perspective: organizations naturally tend to treat people as interchangeable parts, yet “having ideas is not very parallelizable.” (Paul Graham) Therefore, maintaining focus often requires individuals to actively push back against their environment, not merely rely on self-discipline.

Open Questions

  1. How can shallow thoughts be distinguished from “incubation”? Paul Graham also acknowledges that after resting and returning to a problem, one sometimes finds that the subconscious has already prepared the answer. Some shallow thoughts that seem to stray from the main line may be part of the incubation process, such as cross-domain analogies. Could one design a “controlled wandering” mechanism, such as fixed exploration periods or an idea inbox, so that deviation becomes recoverable rather than uniformly isolated as noise?

  2. In the AI era, how will the sources of noise and the ways of isolating it change? When LLMs can instantly expand every shallow thought into content that looks complete, the cost of being pulled off course becomes lower and the temptation greater. On the other hand, AI may also serve as an external “program loader,” helping people reload grand problems into their heads more quickly and reducing the startup cost Graham describes. Will it weaken sustained focus, or strengthen it?

有一些宏大的想法,一定需要人专注且持续地思考。当大量的浅层想法不断把你带离原本的路径时,一定要保持警惕,想办法摆脱这些杂音,保持专注。

以下内容由 LLM 生成,可能包含不准确之处。

Context

这条笔记讲的是知识工作里的一种张力。真正宏大的想法需要人专注且持续地思考,而现实中总有大量浅层想法不停地把人带离原来的路径。作者的结论是,要警惕这种状态,并且想办法脱离这些杂音,保持专注。

这个问题横跨认知心理学(注意力、任务切换)、研究方法论(怎样做出重要工作)和个人知识管理。现在格外值得说,是因为信息流、即时通讯、AI 生成内容让"浅层想法"的供给几乎没有上限。笔记里还有一个容易被忽略的细节:杂音不一定来自外部。它也可以是自己脑中冒出的一串"小灵感"。它们本身看起来有价值,但累加起来会稀释主线。

Key Insights

  1. 宏大想法要"装进脑子"才能推进,而装进去的成本很高。 Paul Graham 认为,数学家和优秀的程序员会把整个问题空间放在头脑里,像在记忆中的老房子里走动一样。即使在最好的情况下,每天开工时也要大约半小时才能重新"加载";离开项目几个月后,要花好几天才能真正重新理解它。他还指出,打扰的危害不取决于它持续多久,而取决于它把脑子搅乱了多少:“the wrong kind of interruption can wipe your brain in 30 seconds”。另一个反直觉的观察是:已排期的干扰可能比突发干扰更糟,因为一小时后要开会的话,你根本不会开始想难的东西(Paul Graham, Holding a Program in One’s Head)。这正好解释了为什么"持续"是宏大想法的前提:思考的固定启动成本很高,零碎时间几乎攒不起来。

  2. 浅层想法的代价比打断本身持续得更久,即"注意力残留"。 Sophie Leroy 的研究提出了 attention residue 这个概念:从任务 A 切换到任务 B 时,一部分注意力会留在 A 上,从而拖累 B 的表现(Leroy, Why is it so hard to do my work? The challenge of attention residue when switching between work tasks, OBHDP 2009)。所以每被一个浅层想法带走一次,损失的不只是那几分钟,还有回到主线后一段时间里打了折扣的思考。

  3. 被打断的人会"补偿",但补偿有代价。 Gloria Mark 等人的实验发现,被打断的人完成任务反而更快,质量也没有差异。代价是压力、挫败感、时间压力和投入的努力都更高。个体差异也存在:开放性人格和"个人结构需求"能预测打断造成的损耗(Mark, Gudith & Klocke, The Cost of Interrupted Work, CHI 2008)。这里有一层含义:碎片化工作在短期产出上不一定看得出损失,所以更隐蔽,也更需要主动"警惕"。

  4. 专注的真正作用是"喂养潜意识"。 Hamming 在 “You and Your Research” 里给出了一个机制解释:创造力来自潜意识,而潜意识会加工白天的经验。如果你日复一日沉浸在一个问题里,潜意识就只能去处理这个问题。他的建议是:“when you have a real important problem you don’t let anything else get the center of your attention… Keep your subconscious starved so it has to work on your problem”。他还认为,能力较弱但全情投入的人,往往比才华更高却"浅尝辄止"(dabble)的人做得更多(Richard Hamming, You and Your Research, 1986)。照这个说法,浅层想法的危害不只是占用有意识的时间,还会把潜意识的"后台算力"抢走。

  5. 重要的反方观点:完全关门会让你做错方向。 同一篇演讲里,Hamming 观察到,关着门工作的人短期产出更高,但十年后"somehow they seem to work on slightly the wrong thing"。开着门的人会被各种打扰,却也能偶尔拿到线索,知道什么才是重要的(Hamming)。所以"杂音隔离"不能等于全面隔离。更合适的做法是分层:执行层隔离干扰,方向层保持开放。Hamming 自己的办法是每周五下午只谈 “great thoughts”,即用 10% 的时间想领域里的大问题。

  6. 怎么判断哪些是"杂音":用一张重要问题清单来过滤。 Hamming 说,伟大的科学家手里通常有 10 到 20 个重要问题,一直在找攻克它们的办法。新想法出现时,他们会问 “that bears on this problem” 吗(Hamming)。这给笔记里的"警惕"提供了一个能操作的标准:一个浅层想法如果和自己的核心问题清单无关,就是杂音;如果相关,它可能就是那个机会。

  7. “脱离杂音"不要靠压抑,要靠"捕获”。 Wegner 等人发现,刻意压制某个念头反而会让它更容易浮现(Wegner et al., Paradoxical effects of thought suppression, 1987)。比较好的做法是把冒出来的浅层想法快速记下来,延后处理。这样能关掉"未完成"的心理回路,同时不丢掉它的价值。Darwin 的做法可以作参照:他会把每一条与自己信念相矛盾的证据都写下来,否则它们会从脑子里消失(转引自 Hamming)。

  8. 把它当作一种结构性稀缺技能。 Cal Newport 把 deep work 定义为 “focusing without distraction on a cognitively demanding task”。他的 Deep Work Hypothesis 认为,这种能力正变得越来越有价值,同时也越来越稀缺(Cal Newport, Deep Work)。Paul Graham 则从组织层面补充:组织天然倾向于把人当成可以互换的零件,但"having ideas is not very parallelizable"(Paul Graham)。所以保持专注往往需要个人主动去对抗环境,而不只是靠自律。

Open Questions

  1. 浅层想法和"孵化"怎样区分? Paul Graham 也承认,休息之后回到问题上,有时会发现潜意识已经把答案准备好了。有些看似偏离主线的浅层想法,可能正是孵化过程的一部分,比如跨领域类比。能不能设计一种"受控漫游"机制,比如固定的探索时段或者想法收集箱,让偏离变得可回收,而不是一律当杂音隔离掉?

  2. 在 AI 时代,杂音的来源和隔离方式会怎样变化? 当 LLM 能即时把每个浅层想法都展开成看起来很完整的内容时,“被带离路径"的成本更低,诱惑也更大。另一方面,AI 也可能成为外部的"程序加载器”,帮人更快地把宏大问题重新装进脑子,降低 Graham 说的那部分启动成本。它到底会削弱持续专注,还是增强持续专注?

idea想法

Viewing the Mountain, Inside the Situation观山与局中

When you can see the full shape of the mountain, the mountain has already moved far away from you; when you can see the whole picture of an event, you are no longer inside it.

The following content is generated by LLMs and may contain inaccuracies.

Context

This note makes two claims. The first is about space: by the time you can see the whole mountain clearly, the mountain is already far away from you. The second is about your situation: by the time you can see the whole of an matter, you are no longer inside it. Taken together, the two sentences say that seeing the whole and being inside it are hard to achieve at the same time. The more complete your view, the further you are from actual participation.

This question spans several fields: epistemology (can a perspective be transcended?), cognitive psychology (how does psychological distance change understanding?), philosophy of history (understanding always arrives too late), and everyday decision-making and wisdom. It shares a root with two old Chinese sayings but takes the idea further:

  • Su Shi’s poem Inscribed on the Xilin Wall reads: “Viewed from the side it is a ridge, from the front a peak; near or far, high or low, each view differs. I cannot tell the true face of Mount Lu, only because I am inside this mountain” (Wikisource, “Inscribed on the Xilin Wall”). Su Shi only says that from inside the mountain you cannot see it clearly.
  • The proverb “Those inside the game are confused; those watching from outside see clearly” also says only that insiders cannot see clearly.

This note goes one step further: seeing clearly already means having left. At this step, it is no longer just a reminder about how to conduct yourself; it states a structural trade-off.

Key Insights

  1. “Distance produces the whole picture” has experimental support, but the whole picture is a generalization that distance creates. Trope and Liberman’s Construal-Level Theory holds that the farther an object is from the self in time, space, social relations, or hypothetical terms, the more abstract and holistic the way a person represents it becomes. In short, from afar one sees the forest; up close, the trees (Trope & Liberman, Construal-Level Theory of Psychological Distance, Psychological Review 2010). The same review notes that abstraction keeps core features and drops details treated as incidental. So the “whole picture” seen from afar is not a more complete mountain but a filtered, more coherent, more prototypical one. This is an important correction to the note: seeing the whole also means losing information.

  2. The cost can be measured: distance enhances the sense of the whole but impairs judgment of detail. Studies cited in the same review show that when psychological distance increases, people perform better on the Gestalt Completion Task (recognizing a whole from an incomplete figure). But when asked to find a missing small component in a complete figure, such as a clock face missing one hand, their performance actually gets worse (Trope & Liberman 2010). This is almost an experimental version of “viewing the mountain”: the outline becomes clear, but the cracks in the rock are no longer visible. Insiders cannot see the whole situation, but they can see local textures that outsiders miss.

  3. “Inside the game, one is confused” has an empirical name: Solomon’s paradox. Grossmann and Kross conducted three experiments (N = 693) and found that people reason more wisely about others' problems than about their own: they are more willing to admit the limits of their knowledge, more attentive to compromise and change, and better at considering others' perspectives. This asymmetry disappears, however, once participants practice self-distancing (stepping back from immersion in the situation). The effect was similar in strength among younger adults (ages 20–40) and older adults (ages 60–80) (Grossmann & Kross, Exploring Solomon’s Paradox, Psychological Science 2014). One point deserves attention here: in the experiments, “leaving the game” happens only psychologically; people do not physically leave. This suggests that the “already” in the note’s “no longer inside it” may not be irreversible. People can step out temporarily and deliberately without waiting for events to end.

  4. On the temporal dimension, Hegel pushes this point to its extreme. In the preface to the Philosophy of Right, he writes that philosophy, as thought about the world, always appears only after reality has completed its process of formation. “When philosophy paints its grey in grey, a form of life has grown old… The owl of Minerva spreads its wings only with the falling of the dusk” (Hegel, Philosophy of Right, Preface, 1820). This corresponds precisely to the note’s second sentence: seeing the whole of an event often means the event is already over, or at least that a certain form of life has already grown old. Hegel also says that philosophy “always comes too late” and cannot instruct the world on how it ought to be (ibid.).

  5. The counterview: Kierkegaard argues that observing from outside misses what matters most. The Stanford Encyclopedia of Philosophy (SEP) summarizes that Kierkegaard opposed “understanding reality in an abstract way, from no particular standpoint.” His aesthetic figure views life with a disinterested, spectatorial attitude, as “a spectator rather than a player.” Existential questions, however, arise only from the first-person perspective. Knowing abstractly that “all humans must die” is one thing; earnestly facing “what my death means for how I should live” is another (SEP, Søren Kierkegaard). The SEP also reports Johannes Climacus’s view that reflection has an “inner infinitude”: as long as one is still reflecting, one cannot make a decision (ibid.). From this, a sharper claim follows: seeing the whole is not only a result of stepping outside but may also be a cause of it. Once a person fully adopts the spectator’s stance and sees the entire situation clearly, they often lose the capacity to act within it.

  6. Taken together: the whole and participation stand in a relation of something like complementarity. Putting these points side by side allows the note to be restated as a more precise proposition. Insiders possess low-level, high-resolution, interest-laden knowledge; outsiders possess high-level, structural, detached knowledge. The two cannot be fully combined at the same moment from the same perspective. The practical strategy is not to choose one side but to switch back and forth between the two distances: act from within first, then step out temporarily through self-distancing to see the whole, and finally return to the situation carrying the structure you have seen. The author suspects that what we call wisdom may be precisely this capacity for switching, rather than standing fixed in one position. (This is an inference, not a direct conclusion of the literature cited above.)

Open Questions

  • Does the “whole” exist? If what distance reveals is only abstract generalization (Construal-Level Theory), and what proximity reveals is only local detail (Su Shi), then the “true face of the mountain” may have no privileged vantage point at all. The whole may simply be one compressed representation we select at a given distance. Is the pursuit of “seeing the whole” itself therefore misleading? Might it be more worth practicing to deliberately choose which distance to use for which kind of problem?
  • Can one see the whole from within without being carried outside by it? Hegel’s owl implies that the whole can only be seen after the fact, while the experiments on Solomon’s paradox show that psychological withdrawal can happen at any time. Between these two, is there a kind of “panoramic awareness from within” that preserves the first-person sense of stakes without letting those stakes block one’s view? How could it be trained in organizational decision-making, entrepreneurship, or intimate relationships? And if it could be trained, would it not be precisely the kind of reflection that Kierkegaard feared would leave a person unable to act?

当能看清山的全貌时,山已经离你很远;当你能看见一件事情的全貌时,你已经不在局中。

以下内容由 LLM 生成,可能包含不准确之处。

Context

这条笔记包含两个判断。第一个关于空间:等你能看清山的全貌,山已经离你很远。第二个关于处境:等你能看见一件事的全貌,你已经不在局中。两句合起来说的是:看得全和身在其中很难同时做到。看得越完整,离亲身参与就越远。

这个问题横跨几个领域:认识论(视角能不能被超越)、认知心理学(心理距离会怎样改变理解)、历史哲学(理解总是来得太晚),还有日常的决策和智慧。它和中文里的两个老说法同源,但推得更远:

  • 苏轼《题西林壁》写的是“横看成岭侧成峰,远近高低各不同。不识庐山真面目,只缘身在此山中”(维基文库,題西林壁)。苏轼只说身在山中看不清山。
  • 俗语“当局者迷,旁观者清”也只说局中人看不清。

这条笔记多走了一步:看清本身就意味着已经离开。到这一步,它就不只是一句处世提醒,而是说出了一种结构性的取舍。

Key Insights

  1. “距离产生全貌”有实验支持,但全貌是距离造出来的概括。 Trope 与 Liberman 的解释水平理论(Construal-Level Theory)认为,对象在时间、空间、社会关系或假设性上离自我越远,人就越用抽象、整体的方式表征它,也就是远看见林、近看见树(Trope & Liberman, Construal-Level Theory of Psychological Distance, Psychological Review 2010)。同一篇综述还指出,抽象化的方式是保留核心特征、删掉被当作偶然的细节。所以远处看到的“全貌”并不是更完整的山,而是一种经过筛选、更连贯、更有原型感的山。这对笔记是一个重要修正:看见全貌,同时也是在丢失信息。

  2. 代价能测出来:距离提升整体感,也损伤细节判断。 同一篇综述引用的研究显示,心理距离拉大后,人在 Gestalt Completion Task(从残缺图形中认出整体)上表现更好;但在找完整图形中缺失的小部件(比如表盘少了一根指针)时,表现反而变差(Trope & Liberman 2010)。这几乎就是“观山”的实验版:轮廓清楚了,石缝看不见了。局中人看不清全局,但看得见局外人看不见的局部纹理。

  3. “局中则迷”有实证名称:Solomon’s paradox。 Grossmann 与 Kross 做了三个实验(N = 693),发现人在推理别人的问题时比推理自己的问题更有智慧:更承认自己知识有限,更看重妥协和变化,也更会考虑他人视角。而只要让被试做 self-distancing(自我抽离,不再沉浸其中),这种不对称就消失了。这个效应在年轻人(20–40 岁)和老年人(60–80 岁)中程度相近(Grossmann & Kross, Exploring Solomon’s Paradox, Psychological Science 2014)。这里有一点值得注意:实验里的“离开局”只发生在心理上,人在物理上并没有离开。也就是说,笔记中“已经不在局中”的“已经”或许不是不可逆的。人可以暂时、主动地出局,而不必等事情结束。

  4. 时间维度上,黑格尔把这一点说到了极致。 《法哲学原理》序言写道:哲学作为对世界的思想,总要等现实完成其形成过程之后才出现。“当哲学把它的灰色绘成灰色的时候,这一生活形态就变老了……密涅瓦的猫头鹰要等黄昏到来才起飞”(Hegel, Philosophy of Right, Preface, 1820)。这和笔记第二句正好对应:看见一件事的全貌,往往意味着这件事已经结束,至少是某种生活形态已经变老。黑格尔还说,哲学“总是来得太晚”,没法教世界该怎样(同上)。

  5. 反方观点:克尔凯郭尔认为站在局外看会漏掉最要紧的东西。 《斯坦福哲学百科》(SEP)总结说,克尔凯郭尔反对“以抽离的方式、从无特定视角出发理解实在”。他笔下的审美者用无利害的旁观态度看待人生,是“旁观者而非参与者”(a spectator rather than a player)。而存在性的问题只有从第一人称视角才会真正出现,比如抽象地知道“人终有一死”,和认真面对“我的死对我该怎样活意味着什么”,是两回事(SEP, Søren Kierkegaard)。SEP 还转述了 Johannes Climacus 的观点:反思本身有一种“内在的无限性”,只要还在想,就做不了决定(同上)。由此可以推出一个更尖锐的说法:看见全貌,不只是出局的结果,也可能是出局的原因。人一旦完全以旁观姿态看清整个局,往往就失去了在局中行动的能力。

  6. 综合来看:全貌和参与之间是一种类似互补的关系。 把上面几条放在一起,笔记可以改写成一个更精确的命题。局中人掌握低层次、高分辨率、带有利害的知识;局外人掌握高层次、结构性、平静的知识。两者不能在同一时刻、同一视角里完全兼得。实际可用的策略不是选定某一边,而是在两种距离之间来回切换:先在局中行动,然后用自我抽离暂时出局看全貌,再带着看到的结构回到局中。笔者推测,所谓智慧可能就是这种切换的能力,而不是站在某个固定的位置上(这是推断,不是上述文献的直接结论)。

Open Questions

  • “全貌”存在吗? 如果远看得到的只是抽象概括(解释水平理论),近看只能看到局部(苏轼),那“山的真面目”可能根本没有一个特权视角。所谓全貌,也许只是我们在某个距离上选定的一种压缩方式。那么,追求“看清全貌”本身是不是一种误导?更值得练习的,会不会是有意识地选择用哪种距离来看哪类问题?
  • 能不能在局中看见全貌,而不被它带出局? 黑格尔的猫头鹰意味着全貌只能事后看到,而 Solomon’s paradox 的实验说明心理上的出局可以随时发生。介于两者之间,是否存在一种“局中的全景意识”:既保留第一人称的利害感,又不被利害遮住视野?它在组织决策、创业或亲密关系中能怎样训练?如果训练得出来,它会不会正好就是克尔凯郭尔担心的那种让人无法行动的反思?

A Book on Bayesian Optimization一本关于贝叶斯优化的书

I wrote a book: Bayesian Optimization: From First Principles to Human Preferences. My PhD at LMU Munich was about human-in-the-loop systems, and one question kept coming back. Some things can only be judged by a person: whether a photo looks right, whether a 3D model still looks good after it is …

我写了一本书:《贝叶斯优化:从基本原理到人类偏好》。 我在慕尼黑大学读博时做的是人在回路(human-in-the-loop)的系统,有一个问题反复出现:有些东西只能靠人来判断,比如一张照片调得对不对,一个 3D 模型简化之后还好不好看,一个设计看着舒不舒服。这类问题没有公式可以拿来优化,只能去问人,而每问一次,都要花掉对方的时间和耐心。怎样用尽可能少的提问,找到一个好的设置?标准答案是贝叶斯优 …

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See You Down the Road后会有期

When I left Sixt, I sent a farewell letter to the people I worked with. This is that letter, with the names of people and internal systems left out. Those it thanks know who they are. Dear friends, colleagues, and everyone I have shared a project, a debate, a lunch, a late evening, a weekend, or an …

离开 Sixt 时,我给共事过的人写了一封告别信。下面就是这封信,略去了人名和内部系统的名字。信里感谢的每一位,自己会知道。 亲爱的朋友们、同事们,以及每一位和我一起做过项目、争论过问题、吃过午饭、熬过夜、过过周末、有过共同经历的人: 我写这封信,是为了给我在 Sixt 的这篇“论文”收尾。和每篇论文一样,最后留下来的也许不是正文的章节,而是致谢,所以我就从致谢写起。 我和 Sixt 的旅程开始于 …

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Trusting Trustworthiness: Zero Trust, Trust by Default, and the People Who Wrote the Software信任可信性:零信任、默认信任,以及写这个软件的人

“Perhaps it is more important to trust the people who wrote the software.” Ken Thompson, Reflections on Trusting Trust (1984) Suppose an actor’s values are genuinely positive. They do not seek domination, personal enrichment, or the suffering of others. They sincerely want to protect what is …

“或许更重要的是,信任写这个软件的人。” Ken Thompson,《Reflections on Trusting Trust》(1984) 假设某个行动者的价值观确实是好的:不求支配,不图私利,也不愿看到别人受苦;真心想守护有价值的东西,减少伤害,让世界比自己来时更好一些。那么,当某个具体的决定被证明是错的,这种内在的倾向,还能让人信任吗? 事故 2026 年 7 月,OpenAI 在内部做 …

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idea想法

Life Stage Axiom System人生阶段公理体系

Looking back over my life so far, I’ve arrived at three working “axioms” for this stage of it:

  • Axiom One (Keep an Exit): A position is worth what it pays plus the freedom to leave at any time, and the freedom counts for far more. Don’t take positions that lock you in.

  • Axiom Two (No Single Gatekeeper): Only enter systems where my feedback doesn’t depend on one particular person’s approval.

  • Axiom Three (Invest Where It’s Unclear): Invest in proportion to how unclear the goal is: the vaguer the goal, the more I put in.

The following content is generated by LLMs and may contain inaccuracies.

Axiom System for Current Life Stage

Context

This note attempts to distill a self-consistent set of decision axioms for “my current life stage”—a personalized system of action constraints. It spans personal decision theory, optionality, principal-agent problems, and the exploration-exploitation tradeoff. Its timeliness lies in compressing scattered life experience into three transferable rules: keeping an exit, no single gatekeeper, and investing where it’s unclear. The core tension: how to construct action principles in uncertain environments that both avoid structural lock-in and preserve growth opportunities. Notably, the author explicitly limits these to axioms “for the current stage,” suggesting a dynamic system that evolves with life circumstances rather than eternal truth.

Key Insights

  • Axiom One (Keep an Exit) is essentially the language of option value. The right to “leave anytime” corresponds financially to the early exercise value of an American option, whose weight far exceeds current actual returns—highly consistent with Nassim Taleb’s antifragility and optionality concepts (Taleb, Antifragile). The author’s “structural lock-in” maps to path dependence/lock-in in economics; David’s classic QWERTY keyboard analysis shows how suboptimal structures persist through lock-in (David, “Clio and the Economics of QWERTY”, American Economic Review 1985). Factoring exit costs into location valuation is a defensive reversal of the sunk cost fallacy.

  • Axiom Two (No Single Gatekeeper) avoids single-point veto power. “Feedback need not pass through one specific person’s confirmation” directly corresponds to gatekeeper risk and principal-agent problems in organizational theory (Jensen & Meckling, “Theory of the Firm”, Journal of Financial Economics 1976). When feedback loops depend on a single decision-maker, individuals become exposed to that person’s preferences, moods, and presence—aligned with the permissionless attribute sought by decentralized systems. By analogy: market prices need no one’s “approval” of your success, while bureaucratic promotion requires your superior’s signature. This axiom actually favors objective feedback systems (markets, code functionality, reader engagement) over subjective judgment systems (boss evaluations, committee scores).

  • Axiom Three (Invest Where It’s Unclear) inverts intuitive resource allocation. Common sense tilts toward “the clearer the goal, the more investment warranted”; the author proposes “investment intensity is proportional to goal ambiguity.” This echoes the exploration-exploitation tradeoff’s emphasis on exploration: in information-scarce, high-variance domains, marginal investment’s expected information value is higher (Sutton & Barto, Reinforcement Learning). It resonates with startup wisdom—the largest opportunities often exist in unclefined “blanks”; clear goals mean competition is saturated, excess returns arbitraged away. Understand this as a form of information arbitrage: ambiguity is mispricing, mispricing is opportunity. The counterargument: ambiguity may be mere noise rather than opportunity, requiring a discrimination mechanism between “unexploited vacancies” and “phantom illusions.”

  • Internal synergy of three axioms. These are not isolated: Axiom One reserves exit rights, Axiom Two ensures feedback isn’t monopolized, Axiom Three drives investment toward ambiguous terrain—together they form a low lock-in, high autonomy, exploration-biased action profile. This precisely describes the ideal ecological niche of independent creators, researchers, or early-stage founders, explaining why this axiom system appears in a researcher’s blog context.

Open Questions

  • Do Axiom Three (higher ambiguity → greater investment) and Axiom One (preserve anytime exit rights) create tension?—Overcommitting to highly ambiguous goals may itself accumulate hard-to-exit sunk costs and identity lock-in; how design a mechanism enabling deep exploration without becoming locked by exploration itself?

  • These axioms are explicitly limited to “current stage”—what signals trigger axiom revision? Is there a meta-axiom determining when to abandon “keeping an exit” for deliberate structural lock-in (when deep commitment’s compound returns exceed option value preservation)?

整理了一下自己的经历,给现阶段的自己总结出三条“公理”:

  • 公理一(留有退路):一个位置的价值,是它的实际回报加上随时可以离开的自由,而后者远比前者重要。不进入会把自己锁死的结构。
  • 公理二(不依赖单一评判者):只进入那些反馈不取决于某一个人认可的系统。
  • 公理三(向模糊处投入):投入的力度与目标的模糊程度成正比,目标越模糊,投入越多。

以下内容由 LLM 生成,可能包含不准确之处。

人生阶段公理体系

Context

这则笔记试图为"当前人生阶段的我"提炼一套自洽的决策公理——一种个人化的行动约束系统。它触及的领域横跨个人决策理论(personal decision theory)、期权思维(optionality)、激励与代理问题(principal-agent problems),以及探索-利用权衡(exploration-exploitation tradeoff)。之所以在当下值得记录,是因为它把散乱的人生经验压缩为三条可迁移的规则:留有退路、不依赖单一评判者、向模糊处投入。核心张力在于——如何在不确定环境中构造一套既能规避结构锁定(structural lock-in)、又能保留成长机会的行动准则。值得注意的是,作者明确将其限定为"目前阶段"的公理,暗示这是一个随人生阶段演化的动态体系,而非永恒真理。

Key Insights

  • 公理一(留有退路)本质上是期权价值的语言。 “随时能走"的权利在金融上对应美式期权(American option)的提前行权价值,其权重远大于当前实际收益,与 Nassim Taleb 提出的**反脆弱性(antifragility)**和 optionality 思想高度一致——保留选择权本身就是一种在不确定性中受益的结构(Taleb, Antifragile)。作者提到的"结构锁定"在经济学中即 path dependence / lock-in,David 关于 QWERTY 键盘的经典分析说明了次优结构如何因锁定而长期存续(David, “Clio and the Economics of QWERTY”, American Economic Review 1985)。将退出成本纳入位置价值的核算,是对沉没成本谬误的反向防御。

  • 公理二(不依赖单一评判者)是对单点否决权的规避。 “反馈不需要经过某个特定的人确认"直接对应组织理论中的gatekeeper 风险与代理问题(Jensen & Meckling, “Theory of the Firm”, Journal of Financial Economics 1976)。当反馈回路必须经由单一裁决者,个体就暴露于该裁决者的偏好、情绪与在场与否——这与去中心化系统追求的permissionless(无需许可)属性一脉相承。类比市场机制:公开市场的价格信号不需要任何人"批准"你的成功,而科层组织的晋升则依赖上级签字。这条公理实际上是在偏好客观反馈系统(市场、代码是否运行、读者是否阅读)而非主观裁决系统(老板评价、评委打分)。

  • 公理三(向模糊处投入)颠倒了直觉的投入分配。 常识倾向于"目标越清晰越值得投入”,而作者主张"投入强度正比于目标的模糊程度”。这与探索-利用权衡中对探索的偏重相呼应:在信息稀缺、结果方差大的模糊领域,边际投入的期望信息价值更高(Sutton & Barto, Reinforcement Learning)。它也与创业领域的观点共鸣——最大的机会往往存在于尚未被清晰定义的"空白"处,清晰的目标意味着竞争已充分、超额收益已被套利。可将其理解为一种信息套利:模糊即定价错误,定价错误即机会。潜在的反论是,模糊性也可能只是噪声而非机会,需要一个判别机制区分"未被开发的空缺"与"本就不存在的幻象"。

  • 三条公理的内在协同。 三者并非孤立:公理一保留退出权,公理二保证反馈不被单点垄断,公理三驱动向模糊地带投入——组合起来构成一个低锁定、高自主、偏探索的行动画像。这恰好描述了独立创作者、研究者或早期创业者的理想生态位,也解释了为何这套公理会出现在一位研究者的博客语境中。

Open Questions

  • 公理三(模糊度越高投入越大)与公理一(保留随时退出权)是否存在张力?——向高度模糊的目标重仓投入,本身可能积累难以退出的沉没成本与身份认同锁定,如何设计一个既深度探索又不被探索本身锁定的机制?

  • 这三条公理被明确限定为"目前阶段",那么触发公理更新的信号是什么?是否存在一条元公理,用来判定何时应当抛弃"留有退路"而主动选择结构锁定(例如深度承诺带来的复利回报超过了保留期权的价值)?

idea想法

Developing Taste Through Accumulated Experience通过累积经验培养品味

Tastes are accumulated from experience. Working on many different problems in the past teaches you what kinds of problems might be interesting in the future, or what kinds of things might be just barely possible by combining previous approaches. This can reveal open problems you might need to work on to achieve something magical or highly useful. Another way to gain experience is to write down a bunch of things you think might be important in the next 12 months. Maybe you pick one to work on, but then revisit and evaluate after 12 months—which of these other things actually proved important? Which ones did other people in the world create, and which ones haven’t been done yet? That can give you many more samples for developing your own taste-creation capability. That’s an important skill to have.

The following content is generated by LLMs and may contain inaccuracies.

Context

This idea sits at the intersection of research methodology, expertise development, and metacognition. It addresses a question rarely made explicit in scientific and creative training: how does one develop taste — the intuitive sense for which problems are worth pursuing and which combinations of ideas might yield something “magical or highly useful.” The claim is that taste is not innate but accumulated from experience working on a diversity of problems. That accumulated base teaches you (a) what future problems might be interesting, and (b) what might be just barely possible by cobbling together previous approaches plus a handful of open problems you’d still have to solve. The core practical insight is a technique for accelerating this accumulation: write down a list of things you think will be important in the next 12 months, work on one, and then return after 12 months to evaluate which predictions held — including which ideas other people in the world went out and created, and which no one has tackled yet. This retrospective scoring gives you “more samples” for your own taste-creation capability.

Key Insights

  • Taste as pattern recognition over accumulated cases. The framing that breadth of past problems teaches you what is “just barely possible” mirrors expertise research: expert intuition is compiled from a large library of encountered patterns, reliable only in domains with valid feedback structures. See Kahneman and Klein’s joint work on the conditions under which expert intuition can be trusted (Kahneman & Klein, “Conditions for Intuitive Expertise,” American Psychologist, 2009).

  • “Cobbling together previous approaches plus open problems." This describes research taste as a form of combinatorial search over an adjacent-possible frontier — recombining existing tools until something new becomes reachable. Kauffman’s notion of the “adjacent possible” captures why breadth expands what is barely-attainable (Stuart Kauffman, Investigations, 2000).

  • The 12-month prediction list as a calibration mechanism. Writing down predictions and revisiting them is a documented method for improving forecasting judgment; keeping records and scoring outcomes is central to Tetlock’s “superforecasting” findings, where deliberate feedback loops sharpen calibration far more than raw intelligence (Tetlock & Gardner, Superforecasting, 2015). The original idea generalizes this from probability calibration to taste calibration — evaluating not just “was I right” but “was this actually important / did the world need it.”

  • The three-way outcome scoring is the crucial refinement. The original proposes evaluating each written-down idea along distinct axes: (1) which ones actually seemed important in retrospect, (2) which ones others went out and created, and (3) which ones no one has done yet. This last category is the most valuable signal — an idea you flagged, still believe in, and that remains unbuilt is a candidate for a genuinely uncrowded opportunity. This resembles how investors and researchers hunt for correct-but-non-consensus bets.

  • Prediction as a substitute for slow lived experience. The explicit motivation is generating “more samples” faster than one problem-at-a-time work allows. This is a form of accelerated experiential learning: instead of waiting years to accumulate cases, you manufacture a batch of forecasts and let time adjudicate them cheaply. It parallels the practice of maintaining a decision journal to counter hindsight bias, since without a written record memory rewrites what you actually believed.

  • A structural caution. Betting on the near future favors ideas whose importance is visible within 12 months, potentially biasing taste toward incrementally legible problems and away from long-horizon bets whose payoff or even relevance won’t clarify for a decade. The technique may need multiple time-horizon lists to avoid short-termism.

Open Questions

  • If you keep 12-month prediction lists over many years, does your hit rate on “what was important” actually improve — or does the world’s fashion-driven attention (which ideas got hyped vs. genuinely mattered) contaminate the feedback signal and calibrate you toward trendiness rather than truth?

  • Can taste developed through recombination of your own past problems ever produce a paradigm shift, or does the “cobbling together” model structurally confine you to the adjacent possible — and what deliberate practice would push taste beyond it?

品味是从经验中累积而来的。在过去从事许多不同的问题能教会你什么样的问题在未来可能很有趣,或者什么样的东西可能刚好可以通过结合之前的方法来实现。这可以揭示你可能需要解决的一些开放问题,以实现令人惊艳的或非常有用的东西。获得经验的另一种方式是列出你认为在未来12个月内可能很重要的一堆事项。也许你选择其中一个来从事,但在12个月后重新审视并评估——这些其他事项中哪些实际上证明是重要的?世界上其他人创造了哪些,而哪些还没有被完成?这可以为你开发自己的品味创造能力提供更多样本。这是一项重要的技能。

以下内容由 LLM 生成,可能包含不准确之处。

背景

这个想法处于研究方法论、专业知识发展和元认知的交叉点。它针对一个在科学和创意训练中很少被明确提出的问题:人如何培养品味 — 一种直观的感觉,能够判断哪些问题值得追求,哪些想法的组合可能产生"魔法般的或高度有用的"结果。其主张是品味不是与生俱来的,而是从解决多样化问题的经验中积累而来。那些积累的基础教会你(a)未来哪些问题可能有趣,以及(b)通过拼凑之前的方法加上一些仍需解决的开放问题,什么是刚好可能的。核心实践洞察是加速这种积累的一种技术:列出你认为在接下来的12个月内会很重要的事物,专注于其中一个,然后在12个月后返回评估哪些预测成立 — 包括世界上其他人创造了哪些想法,以及哪些还没有人解决。这种回顾性评分为你的品味培养能力提供了"更多样本"。

关键洞察

  • 品味作为对积累案例的模式识别。 将过去问题的广度教会你什么是"刚好可能"的这一框架,与专业知识研究相呼应:专家直觉是从大量遇到的模式编译而来的,只有在具有有效反馈结构的领域中才可靠。见Kahneman和Klein的联合著作关于何时可以相信专家直觉的条件(Kahneman & Klein,《直觉专业知识的条件》,美国心理学家,2009)。

  • “拼凑之前的方法加上开放问题”。 这将研究品味描述为对邻近可能边界的组合搜索 — 重新组合现有工具,直到某些新东西变得可达。Kauffman的"邻近可能"观念捕捉了为什么广度扩展了什么是勉强可达成的(Stuart Kauffman,《调查》,2000)。

  • 12个月预测清单作为校准机制。 写下预测并重新审视它们是改进预测判断的一种被证实的方法;保留记录和评分结果是Tetlock的"超级预测"发现的核心,其中有意反馈循环比原始智力更能大幅提高校准(Tetlock & Gardner,《超级预测》,2015)。最初的想法将这从概率校准推广到品味校准 — 评估不仅"我是否正确",还有"这实际上是否重要/世界是否需要它"。

  • 三向成果评分是关键的改进。 最初的想法提议沿着不同的轴评估每个写下的想法:(1)哪些在回顾中实际上似乎很重要,(2)哪些其他人去创造了,以及(3)哪些还没有人做过。最后这个类别是最有价值的信号 — 你标记出来的、仍然相信的、且仍未实现的想法是真正不拥挤机会的候选。这类似于投资者和研究人员如何寻找正确但非共识的赌注。

  • 预测作为缓慢生活经验的替代。 明确的动机是生成"更多样本"的速度比逐个问题工作允许的要快。这是一种加速的经验学习形式:不是等待多年积累案例,而是制造一批预测并让时间廉价地来判决它们。它与维护决策日志的做法相似,以对抗事后聪慧偏见,因为没有书面记录,记忆会改写你实际相信的东西。

  • 一个结构性警告。 赌注近未来倾向于支持其重要性在12个月内可见的想法,可能使品味偏向于渐进式可理解的问题,而远离长期赌注,其收益甚至相关性在十年内都不会澄清。该技术可能需要多个时间视野清单来避免短期主义。

开放问题

  • 如果你在多年间保持12个月预测清单,你在"什么是重要的"上的命中率是否实际改善 — 或者世界以时尚为驱动的注意力(哪些想法被炒作vs.真正重要)是否污染反馈信号,使你校准到趋势而非真实?

  • 通过重新组合你自己的过去问题开发的品味能否产生范式转变,或者"拼凑"模型在结构上是否将你局限于邻近可能 — 什么刻意练习会将品味推向其之外?

idea想法

Illusion of General Technology and Evolution of Specialized Architecture通用技术幻觉与特化架构演进

This interview is very timely, and some of the insights within it are quite thought-provoking, particularly regarding the development of general-purpose technology. Many people are willing to believe that the “Bitter Lesson” claims general-purpose technology will ultimately triumph over specialized technology. However, in reality, whether we look at the historical experience of Moore’s Law or the current development of models, we discover that so-called general-purpose technologies are essentially illusions. Technologies that can truly scale are all moving toward specialization. For example, general-purpose computing has evolved into today’s heterogeneous computing, and Agent Harness design has evolved into a general design of full-stack models + inference engines + Agent Harness + Workload Scheduler. While high-level general abstractions have some value, a generalization that cannot grasp bottom-level details can never produce designs capable of bearing load and effectively encapsulating complexity.

https://www.youtube.com/watch?v=ffdR5fZTC5E

The following content is generated by LLMs and may contain inaccuracies.

Context

This note presents a counterintuitive argument against a YouTube interview, proposing that the claim “general-purpose techniques will ultimately defeat specialized ones” is largely an illusion. It directly challenges The Bitter Lesson, frequently cited in AI discourse—Rich Sutton’s assertion that methods relying on general computation and search/learning will eventually outperform those dependent on manual expert knowledge (Sutton, “The Bitter Lesson”). The note’s core tension is this: the path of scaling has actually been evolving toward specialization all along, with general abstraction effective only at high levels and incapable of truly encapsulating lower-layer complexity. This topic is particularly timely now, as the engineering stack for LLMs and Agents is rapidly differentiating from a “single large model” into a layered, heterogeneous system architecture.

Key Insights

  • The history of Moore’s Law is actually a history of specialization, not general-purpose victory. Single-core CPU performance gains stalled after Dennard scaling ended, forcing the industry toward heterogeneous computing—GPUs, TPUs, NPUs, DPUs, and more. Hennessy and Patterson explicitly identified Domain-Specific Architectures as the future in their Turing Award lecture, since general-purpose processors can no longer scale efficiently in energy terms (Hennessy & Patterson, “A New Golden Age for Computer Architecture”). This validates the note’s core observation: any technology that truly scales is moving toward specialization.

  • A critical clarification and rebuttal of the Bitter Lesson. Notably, Sutton’s “general-purpose” refers to general learning and search methods, not general hardware or system architecture. The note reveals a layer-mismatch commonly overlooked: even if algorithms pursue generality in learning, their physical and engineering implementation must be highly specialized to scale. In other words, generality resides in “what to optimize,” while specialization resides in “how to run it”—these are not contradictory. The “illusion” the note critiques is precisely this: mistaking method-level generality and incorrectly extrapolating it to the system level.

  • Layered specialization in Agent engineering stacks. The note traces evolution from early single Agent Harness designs to stratified generic design: full-stack model + inference engine + Agent Harness + Workload Scheduler. This aligns with actual infrastructure trends: at the inference engine layer, optimizations like vLLM’s PagedAttention target LLM-specific memory/throughput characteristics (Kwon et al., “Efficient Memory Management for Large Language Model Serving with PagedAttention”); at the scheduling layer, Agent workloads (long-tail, multi-turn, heterogeneous tool invocations) demand specialized workload scheduling, not repurposed microservice schedulers. Each layer appears “generic” yet contains highly specialized internal implementations.

  • “High-level generic abstractions work, but cannot encapsulate lower-layer complexity”—the abstraction leak. This resonates deeply with Joel Spolsky’s Law of Leaky Abstractions (all non-trivial abstractions leak to some degree) (Spolsky, “The Law of Leaky Abstractions”). The note extends this software engineering principle to AI system architecture: a complexity encapsulation that can “bear load” must perceive and exploit lower-layer specialized details (memory hierarchy, operator fusion, hardware topology). Pure high-level generic interfaces cannot achieve this.

  • An implicit dialectical tension. The “full-stack + inference engine + Harness + Scheduler generic design” the note describes is itself a form of layered generality—generality hasn’t disappeared but retreated into “interface contracts for composing specialized modules.” This suggests the true answer may not be a binary “general vs. specialized” dichotomy, but rather a symbiotic structure where generality orchestrates and specialization executes, analogous to RISC’s simple generic instruction set carried by compiler/microarchitecture specialization.

Open Questions

  • If each layer’s “generic abstraction” must necessarily be backed by specialized implementation, where lies the sustainability boundary of system architecture evolution—could fragmentation of specialization eventually strangle scaling at some complexity threshold, cyclically recalling a new round of generic consolidation?

  • If the Bitter Lesson remains valid at the method level while the system level moves toward specialization, does this suggest an as-yet-unnamed “middle-layer law”—that true scaling viability depends neither on the most generic algorithm nor the most specialized hardware, but rather on orchestration-layer design that most effectively bridges abstraction leaks?

这个访谈很应景,里面有些认知很有感触。其中关于通用技术发展的讨论尤其值得关注。很多人愿意相信「Bitter Lesson」所说的通用技术最终会胜过非通用技术,但实际上,无论从摩尔定律的历史经验来看,还是从现在模型发展的角度来看,我们都会发现所谓的通用泛化技术本质上都只是一些错觉。真正能够规模化的技术都在朝着特化的方向推进。比如通用计算演化到如今的异构计算,比如 Agent Harness 的设计演化到全栈模型 + 推理引擎 + Agent Harness + Workload Scheduler 的通用设计。高层通用抽象有一定的作用,但没办法掌握底层细节的通用永远无法做出经得起压力、对复杂性进行有效封装的设计。

https://www.youtube.com/watch?v=ffdR5fZTC5E

以下内容由 LLM 生成,可能包含不准确之处。

Context

这条笔记针对一段访谈(YouTube 访谈)提出一个反直觉论点:所谓「通用泛化技术终将战胜专用技术」在很大程度上是一种幻觉。它直接挑战了 AI 领域被反复引用的 The Bitter Lesson——Rich Sutton 认为依赖通用计算与搜索/学习的方法长期会压倒依靠人工专家知识的方法(Sutton, “The Bitter Lesson”)。笔记的核心张力在于:规模化(scaling)的路径本身其实一直在朝「特化」演进,通用抽象只在高层有效,无法真正封装底层复杂性。这个议题此刻尤为应景,因为 LLM 与 Agent 的工程栈正快速从「单一大模型」分化为分层、异构的系统架构。

Key Insights

  • 摩尔定律的历史其实是一部「特化史」而非「通用胜利史」。 通用 CPU 的单核性能红利在 Dennard scaling 终结后停滞,产业被迫转向 GPU、TPU、NPU、DPU 等异构计算(heterogeneous computing)。Hennessy 与 Patterson 在图灵奖演讲中明确指出,未来属于领域特定架构(Domain-Specific Architectures),因为通用处理器已无法在能效上继续 scaling(Hennessy & Patterson, “A New Golden Age for Computer Architecture”)。这印证了笔记的核心观察:真正能规模化的技术都在朝特化推进。

  • 对 Bitter Lesson 的关键澄清与反驳。 值得注意的是,Sutton 论证的「通用」指的是通用的学习与搜索方法(method),而非通用的硬件或系统架构。笔记恰恰揭示了一个常被忽略的层次错位:即便算法层面追求通用学习,其物理与工程实现却必须高度特化才能 scale。换言之,通用性存在于「what to optimize」,特化性存在于「how to run it」——这两者并不矛盾,笔记所批判的「幻觉」正是把方法层的通用性错误外推到系统层。

  • Agent 工程栈的分层特化。 笔记提出从早期的 Agent Harness 单一设计,演化到全栈模型 + 推理引擎 + Agent Harness + Workload Scheduler 的分层通用设计。这与当前基础设施的实际趋势吻合:推理引擎层出现 vLLM 的 PagedAttention 等针对 LLM 内存/吞吐特性的专门优化(Kwon et al., “Efficient Memory Management for Large Language Model Serving with PagedAttention”);调度层则需要针对 Agent 工作负载(长尾、多轮、工具调用异构)做专门的 workload scheduling,而非套用传统微服务调度。每一层看似「通用」,其内部实现却各自高度特化。

  • 「高层通用抽象有作用,但无法封装底层复杂性」——即抽象泄漏。 这一论断与 Joel Spolsky 的Law of Leaky Abstractions(所有非平凡的抽象在某种程度上都会泄漏)高度呼应(Spolsky, “The Law of Leaky Abstractions”)。笔记把这一软件工程原理推广到 AI 系统架构:一个真正管用的复杂性封装,必须能感知并利用底层的特化细节(内存层级、算子融合、硬件拓扑),纯粹的高层通用接口做不到这一点。

  • 一个隐含的辩证张力。 笔记描述的「全栈 + 推理引擎 + Harness + Scheduler 的通用设计」本身其实是一种分层通用性(layered generality)——通用性并未消失,而是退居为「组合特化模块的接口约定」。这暗示真正的答案可能不是「通用 vs 特化」的二元对立,而是通用性作为编排层、特化性作为执行层的共生结构,类似于 RISC 用简单通用指令集承载、由编译器/微架构做特化优化的思路。

Open Questions

  • 如果每一层的「通用抽象」内部都必然由特化实现支撑,那么系统架构的可持续演进边界在哪里——特化的碎片化(fragmentation)会不会在某个复杂度阈值反过来扼杀 scaling,从而周期性地召回一轮新的通用化整合?

  • Bitter Lesson 在方法层依然成立而系统层却走向特化,这是否意味着存在一条尚未被清晰命名的「中层定律」——即真正决定谁能 scale 的,不是最通用的算法也不是最专用的硬件,而是能最有效跨越抽象泄漏的编排层设计?