The quality of an organization's mission determines the quality of its purpose.

I must have flowers, always, and always.

The existence of a legal system is a matter of fact, not of morality.

The conjectures of the Langlands program are not merely problems to be solved but a vision of how mathematics should be.

任何一样东西，你渴望拥有它，它就盛开。一旦你拥有它，它就凋谢。

中心地的等级越高，其数量越少，影响范围越大。

为戏剧写作总是一种对抗。