我们曾许下这样的诺言：不作恶。我要让我的公司去做对用户、对顾客、对所有人有利的事情。所以，如果我们能坚守这个诺言，我们就能做出一番有益的成就。

The stories are not autobiographical, but they're personal in that way. I seem to know only the things that I've learned. Probably some things through observation, but what I feel I know surely is personal.

To be one, to be united is a great thing. But to respect the right to be different is maybe even greater.

The P versus NP problem is one of the most important problems in computer science.

质量不仅仅是一个目标，它是一个旅程。

The only thing that matters is how you feel about yourself.

最大的风险就是不冒任何风险。