变化带来机遇。另一方面，变化可能让人迷茫。

We are all prisoners of our own minds.

The psychologist must be a strict empiricist.

A mathematician is a person who can find analogies between theorems; a better mathematician is one who can see analogies between theories and the best mathematician can notice analogies between analogies.

To be silent is to be complicit.

不可以同井底的青蛙谈论大海的辽阔，因为有空间的拘束；不可以同夏天的小虫谈论冰冻的寒冷，因为有时节的局限。