Success is not the key to happiness. Happiness is the key to success. If you love what you are doing, you will be successful.

The city is not just a place, it's a living organism with its own memory.

We have a mantra: don’t be evil, which is to do the best things we know how for our users, for our customers, for everyone. So I think if we were known for that, it would be a wonderful thing.

A philosophical problem has the form: "I don't know my way about."

成功不仅仅以利润衡量，而是以我们对社会的积极影响来衡量。

我不让恐惧控制我，我控制恐惧。

Do what you love and success will follow. Passion is the fuel behind a successful career.

入门统计学课本一开始讲的几个要点之一，就是相关性不是因果性。这也是最先被忘记的要点之一。