数学是一门活生生的学科，不断演变和发展。

The development of computational complexity theory has shown us that not all problems are created equal.

If you don’t get a miracle, you can still be a miracle for someone else.

你必须相信自己，即使没有其他人相信你。

The true discovery of America is before us. The true fulfillment of our spirit, of our people, of our mighty and immortal land, is yet to come.

The goal is not just to design a market, but to design one that works well in practice.