我不是梦想家，我是实干家。

对一个人而言，只要谨慎自信 ，没有什么是高不可攀的。

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

我不想说陈词滥调，但我确实相信一切都有原因。