Zach's Compass

Notes on building, learning, and figuring things out.边做，边学，把事情想明白。

Essays and reading notes, each written in both English and Chinese.这里有随笔，也有阅读笔记，每篇都有中英两个版本。

Latest essays最新文章

  1. Young, With a Little Hindsight还年轻，也懂一点了

    You can't have youth and understand it at the same time, but at 35 you can guess what you'll miss, and being a beginner again gets close.青春和对青春的感悟没法同时拥有，但 35 岁可以先猜猜以后会想念什么，或者找件新事从头学起。

    2 min read阅读 2 分钟

  2. Keep the Passion, Bring an Answer保持热情，带着答案来

    A mentor's two pieces of advice: don't let experience talk you out of caring, and bring a conclusion instead of a menu of options.一位 mentor 给的两条建议：别让经验把热情磨没了，提问题时也把自己的结论带上。

    3 min read阅读 3 分钟

  3. Already on the Way重新上路

    1 min read阅读 1 分钟

  4. You Don't Discover Yourself. You Compile Yourself.你不是在找自己，是在写自己

    Your self-image works like a servo that steers you back to who you think you are, and only doing the new thing moves the target.“我不是那种人”其实是你给自己设的目标：大脑像伺服一样把你拽回去，想改只能靠去做。

    8 min read阅读 9 分钟

  5. Drag Your Tail in the Mud做一只泥里的乌龟

    FIRE read as failure studies in disguise, plus two self-checks I actually use: backlog or grievance every week, turtle or relic every year.FIRE 是包装成成功学的失败学：走之前先看手里是 backlog 还是怨气，每年再看自己更像乌龟还是祭品。

    6 min read阅读 8 分钟

  6. Compound Interest: One Secret, Four Worlds复利：四个领域的同一个秘密

    Stocks, learning, mental models and raising a kid run on the same compound equation, and the hard part in each is keeping r above zero.股市、学习、心智模型、养孩子，用的是同一条复利公式，难的都是别让 r 归零。

    8 min read阅读 14 分钟

All essays全部文章

Digests阅读笔记

  1. Agentic Engineering Patterns — Simon WillisonAI 代理工程实战模式 — Simon Willison

    Simon Willison on coding agents: code got cheap but good code didn't, so hoard working examples, use red/green TDD and run the tests first.Simon Willison 讲 agent 编程：代码便宜了，好代码可没便宜，所以先跑测试、囤能跑的例子。

    4 min read阅读 5 分钟

  2. Protecting Your Prefrontal Cortex保护你的前额叶皮层

    Stress, short sleep and sitting wear down the prefrontal cortex, exercise and sleep protect it, and constant AI back-and-forth quietly drains it.慢性压力、缺觉、久坐都在伤前额叶，运动和睡眠最能护住它；跟 AI 高频来回切换，也是在消耗它。

    3 min read阅读 4 分钟