The true value of a mathematician lies in the problems they leave behind.
一个数学家的真正价值在于他们留下的问题。
The laws of physics are not just rules, they are the language of the universe.
The good man is the man who, no matter how morally unworthy he has been, is moving to become better.
好人就是无论他过去在道德上多么不值得,现在正在变得更好的人。
不要害怕做自己,因为每个人都是独一无二的。