The most important skill for an economist is the ability to think clearly about trade-offs.

The only way to do great work is to love what you do.

质数就是当你把所有模式都剔除后剩下的东西。我觉得质数就像生活，它们非常有逻辑性，但你永远无法找出规律，即使你花上一辈子时间去思考。

The purpose of education is to make up for the shortcomings in our instinctive ways of thinking.

In despair, we can find true hope.

我对自己很有竞争意识。我总是试图突破自己的界限。