The lightning that precedes the thunder is a common image of the warnings that come before calamity.

抽象的目的不是模糊，而是创建一个新的语义层次，在这个层次上可以绝对精确。

Change your thoughts and you change your world.

A good mathematician is someone who can see analogies between theorems. A great mathematician is someone who can see analogies between analogies.

Happiness is the very nature of the self; happiness and the self are not different. There is no happiness in any object of the world. We imagine through our ignorance that we derive happiness from objects.

在桂林学界迎会的演说，1922年1月22日

Don't be defined by what you didn't know or didn't do.