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。

If you want to get smart, the question you have to keep asking is 'why, why, why?'

The world is before you, and you need not take it or leave it as it was when you came in.