让世界改变你，然后你改变世界。

I used to think the world was broken down by tribes. Then I thought it was broken down by rich and poor. Then I thought it was broken down by stupid and smart. But I know now that it is broken down by people who are alive and people who are dead.

Sustainability isn’t an option; it’s the only path forward.

学习一门新编程语言的最好方法是用它写程序。

The greatest rewards come from working on something that nobody else is working on.