Persistence is very important. You should not give up unless you are forced to give up.

Success is not about the money you make, it’s about the difference you make in people’s lives.

数学不是一项观赏性运动。

预测未来的最好方式就是创造未来。

制度批判必须来自制度内部。

A building should be rooted in its place, but reach out to the world.