逻辑是所有数学推理的基础。

儿童书籍应该像阅读它们的孩子们一样多样化。

Strength does not come from physical capacity. It comes from an indomitable will.

盈利和责任必须齐头并进。

Don't let anyone tell you that you can't do something.

做数学就是探索一个无限的思想景观。

The true paradises are the paradises that we have lost.

对群众运动的领袖而言，见解的精辟与否看来无关宏旨。真正重要的是他敢于摆出自负的姿态，完全漠视别人的意见，不惜一个人单挑世界。