The thing that we are trying to do at Facebook, is just help people connect and communicate more efficiently.

There are two kinds of companies， those that work to try to charge more and those that work to charge less. We will be the second.

每一个设计都是对连续过程中一个具体时刻的严格尝试。

跨行业合作是解决环境挑战的关键。

Always look at what you have left. Never look at what you have lost.

对于那些有为而生的人来说，没有什么是无足轻重的。