It's not worth doing something unless someone, somewhere, would much rather you weren't doing it.

Mathematics is not a careful march down a well-cleared highway, but a journey into a strange wilderness, where the explorers often get lost.

生活不是关于你不能做什么，而是关于你能做什么。

给我贞洁和节制，但不要立刻。

The world is what it is; men who are nothing, who allow themselves to become nothing, have no place in it.

“唯一真正属于你的是你的时间。”

People who have great relationships don’t do so because they have no problems. They have great relationships because they deal with their problems well.