永远要在清醒时完成醉酒时承诺的事。这会教会你管住嘴巴。

True happiness comes from inner satisfaction.

天下没有不能教化的人，就害怕不诚心；天下没有不能干成的事，就怕立志不坚定。

I’ve always believed that you should never, ever give up and you should always keep fighting even when there’s only a slightest chance.

Don't be pushed by your problems. Be led by your dreams.

In mathematics, you don't understand things. You just get used to them.

数学的力量来自于它的抽象和概括能力，将具体问题转化为普遍真理。