"我不是作家，我是一个词。"

It is not a lack of love，but a lack of friendship that makes unhappy marriages.

Failure is the best teacher. You learn by making mistakes and figuring out how to correct them.

"I think that mathematicians are much more like artists than they are like scientists."

真正的领导力在于今天做出艰难的决定，以造福子孙后代。