人类的灵魂是脆弱的东西。

用户思维比流量思维更重要。

I don't believe in pessimism. If something doesn't come up the way you want, forge ahead. If you think it's going to rain, it will.

The best ideas often come from the most unexpected places.

[物理学是]一种良好的思考框架。将事物归结为他们的基本真理，然后从那里推理出来。