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

I don’t like to do easy things. I like to challenge myself.

变化是不可避免的，你如何应对决定了你的成功。

聪明人的快乐是我所知最罕见的东西。

数学的美在于它能够以最抽象的术语描述宇宙。