The best way to learn mathematics is to do mathematics.

我们奔跑，世界才能飞跃。

On the path of science, there are no smooth roads to take; only those who are not afraid of hard work and climb the steep mountain paths have the hope of reaching the glorious summit.

如果量子力学没有让你深感震惊，那说明你还没有理解它。

The secret of being miserable is to have leisure to bother about whether you are happy or not.

自由不是任何人可以给予的东西。自由是人们夺取的东西，人们有多自由取决于他们想要多自由。