有时候要大胆，有时候要小心，一个聪明人知道什么时候该怎么做。

I think that the role of the mathematician is to discover these patterns and to explain them.

The real danger is not that computers will begin to think like men, but that men will begin to think like computers.

Denying or deflecting a compliment is rude. Accept it with thanks， even if you believe it is not deserved.

We are all ready to be savage in some cause. The difference between a good man and a bad one is the choice of the cause.