每一次挫折都是为了卷土重来做准备。

跨境合作至关重要——鱼类不承认国界，我们保护它们的努力也不应该承认国界。

传记的艺术就是共情的艺术。

I must have flowers, always, and always.

A mathematician's work is mostly a solitary pursuit, but it builds on the work of many others.

One who never turned his back but marched breast forward, never doubted clouds would break.

I'm not a fact, I'm a fiction.

学习计量经济学的最佳方法是通过实践——处理真实的数据和真实的问题。