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

生活是一面镜子，如果你对它微笑，它也会对你微笑。

"Dreams don't work unless you do."

Science is the crystallization of human wisdom and an important force driving social progress.

当我们无力改变处境时，我们就被挑战去改变自己。

只有比别人更努力，才能比别人更成功。