成功的真正标准不仅仅是盈利能力，还有我们在社区中创造的积极影响。
The true measure of success is not just profitability, but the positive impact we create in communities.
The thing that we are trying to do at Facebook, is just help people connect and communicate more efficiently.
真相并不总是美丽，美丽的言辞也不一定是真相。
股市中充满了知道一切价格但不知道价值的人。
The method of psychology must be as exact as the methods of the natural sciences.