世界上最伟大的事情是知道如何属于自己。

盈利和责任必须齐头并进，否则两者都不会持久。

对人类来说，最可恨的事情是知道一切却无能为力。

I can never be safe; I always try and go against the grain. As soon as I accomplish one thing, I just set a higher goal. That's how I've gotten to where I am.

There is no real excellence in all this world which can be separated from right living.

数学中最美丽的东西是复杂背后的简单思想。