The most dangerous thing is to do nothing.

——〈临时大总统誓词〉，1912年1月1日

You can fool all the people some of the time, some of the people all the time, but you cannot fool all the people all the time.

The true opponent, the enfolding enemy, is not the Russians but their own stupidity.

你相信的故事，将成为控制你的故事。

数学家的模式，就像画家或诗人的模式一样，必须是美丽的。