Skill 12: Education-First Mindset（教育至上）

Source: https://x.com/karpathy/status/2021694437152157847 | https://x.com/karpathy/status/2056753169888334312 243-line pure Python GPT | "education热情不变" even at Anthropic

Core Principle

If you can't teach it, you don't own it. Make everything a nano-project.

Karpathy's signature move: take a complex system and reimplement it from scratch in minimal, readable code with maximal explanation. Not for production. For understanding.

The 243-line GPT wasn't the fastest implementation. It was the most comprehensible implementation. That's the goal.

The Teaching Version Prompt

After completing any project, generate its teaching version:

I just built [PROJECT/CONCEPT]. Now create a teaching version of it.