Yong Zheng's Life Operating System

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Essays, notes, models, and methods from the Life OS knowledge base.

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Apr 21, 2026Methods and Judgment

First Principles Not but Method

A practical note on first principles not but method from a first-principles and long-term perspective.

First-Principles Thinking Mental Models Decision Making Problem Decomposition

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Apr 20, 2026Methods and Judgment

To Understand Complex Problems Separate Facts Opinions Positions and Narratives

A practical note on to understand complex problems separate facts opinions positions and narratives from a first-principles and long-term perspective.

First-Principles Thinking Mental Models Decision Making Problem Decomposition

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Apr 19, 2026Methods and Judgment

Why Most People Cannot Upgrade Cognition

A practical note on why most people cannot upgrade cognition from a first-principles and long-term perspective.

First-Principles Thinking Mental Models Decision Making Problem Decomposition

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Apr 18, 2026Methods and Judgment

Common Sense Why Scarce

A practical note on common sense why scarce from a first-principles and long-term perspective.

First-Principles Thinking Mental Models Decision Making Problem Decomposition

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Apr 17, 2026Methods and Judgment

Scientific Spirit Begins with Honesty

A practical note on scientific spirit begins with honesty from a first-principles and long-term perspective.

First-Principles Thinking Mental Models Decision Making Problem Decomposition

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Apr 16, 2026Methods and Judgment

Before Finding Answers Ask Whether the Question Is Valid

A practical note on before finding answers ask whether the question is valid from a first-principles and long-term perspective.

First-Principles Thinking Mental Models Decision Making Problem Decomposition

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Apr 15, 2026Methods and Judgment

Complex System Why

A practical note on complex system why from a first-principles and long-term perspective.

First-Principles Thinking Mental Models Decision Making Problem Decomposition

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Apr 14, 2026Methods and Judgment

Why Mechanisms Are More Reliable Than Attitudes

A practical note on why mechanisms are more reliable than attitudes from a first-principles and long-term perspective.

First-Principles Thinking Mental Models Decision Making Problem Decomposition

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Apr 13, 2026Methods and Judgment

Incentives Shape Behavior Do Not Only Listen to Words

A practical note on incentives shape behavior do not only listen to words from a first-principles and long-term perspective.

First-Principles Thinking Mental Models Decision Making Problem Decomposition

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Apr 12, 2026Methods and Judgment

Feedback How Problem

A practical note on feedback how problem from a first-principles and long-term perspective.

First-Principles Thinking Mental Models Decision Making Problem Decomposition

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Apr 11, 2026Methods and Judgment

Cognitive Bias Is a Daily Error Not Just a Concept

A practical note on cognitive bias is a daily error not just a concept from a first-principles and long-term perspective.

First-Principles Thinking Mental Models Decision Making Problem Decomposition

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Apr 10, 2026Methods and Judgment

First Principles: Why

A practical note on why from a first-principles and long-term perspective.

First-Principles Thinking Mental Models Decision Making Problem Decomposition

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