The best way to find yourself is to lose yourself in the service of others.

The true test of a mathematical idea is its ability to inspire further thought.

Every experiment, even the ones that fail, teaches you something valuable.

出自先秦《荀子·修身》。批评我而又批评得恰当的，他便是我的老师；肯定我而又实事求是的，他便是我的朋友；讨好奉承我的，他便是我的仇人。说明修身养性要有闻过则喜的雅量，要亲近正人君子而远离谄谀小人。这样，才会有利于自己道德的修炼进步。

数学发现的过程与发现本身同样重要。

"A good book is the best of friends, the same today and forever."

我不是商人，我就是生意。

Gratitude turns what we have into enough.

The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion.

最终，我们记住的不是敌人的话语，而是朋友的沉默。