我不认为每个人都应该成为数学家，但我确实相信许多学生没有给数学一个真正的机会。

The important thing in life is not victory but combat； it is not to have vanquished but to have fought well.

Courage is the persistence in the face of fear.

——《民族主义第一讲》

The best way to predict the future is to create it.

团结是人民的柔情。