Men trust their ears less than their eyes.

You can't make a good deal with a bad person.

我不敢说数学和疯狂之间有直接关系，但毫无疑问，伟大的数学家都具有狂热的特质。

做你自己，其他的交给时间。

"To lose one parent may be regarded as a misfortune; to lose both looks like carelessness."

The only thing you can do with good advice is pass it on. It is never of any use to oneself.

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