The best mathematics is not just rigorous; it is also elegant.

A writer must be a keen observer of the world and a deep thinker of the heart.

内燃机是我们这个时代最重要的发明。

货币政策中的时间不一致性问题出现在政策制定者一旦经济主体根据宣布的政策采取行动后，就有动机偏离该政策。

The human understanding， when it has once adopted an opinion， draws all things else to support and agree with it.

CRISPR是一种工具，和任何工具一样，它的影响取决于我们如何使用它。