I think about the limits of language.

做出伟大工作的唯一途径就是热爱你所做的事。

The art of doing mathematics consists in finding that special case which contains all the germs of generality.

Knowledge is a consequence of experience.

Nowadays, particularly in the United States, if you meet someone at the bottom of society, they may unkindly be described as a "loser." There's a real difference between an unfortunate and a loser, and that shows 400 years of evolution in society and our belief in who is responsible for our lives. It's no longer the gods, it's us. We're in the driving seat.

每一个优秀的数学家至少是半个哲学家，而每一个优秀的哲学家至少是半个数学家。

The best investment is in education.

We must remember the past in order to better face the future.

错误经不起失败，但是真理却不怕失败。