There is a time for daring,and there is a time for caution, and a wise man understanding which is called for

We want Google to be the third half of your brain.

The best way to learn mathematics is to do mathematics.

译文：每次见到贫寒的读书人，快要发达时，脸上一定有一片谦和之光散发出来。

I'm not a monster, I'm just ahead of the curve.

Don’t ask yourself what the world needs. Ask yourself what makes you come alive and then go do that， because what the world needs is people who have come alive.