Come on.Just when you think you know something, you have to look at it in another way. Even though it may seem silly or wrong, you must try.

These are the times that try men's souls.

The best way to predict the future is to create it.

一个好的数学家是能看到定理之间类比的人；一个伟大的数学家是能看到类比之间的类比的人。

细节不是细节；它们构成了设计。

Risk management is not avoiding risks but understanding and mitigating them.