Mathematics is not just about numbers, equations, computations, or algorithms: it is about understanding.

要想打败对手，就成为他们的朋友。

地球是一个动态的物体，其表面在不断变化。

I prefer my bad habits to the teachings of others.

我们都在阴沟里，但仍有人仰望星空。

Writing is a profession for those who cannot live without writing.

赏赐并不能让人欢喜,责罚也不能让人畏惧。

我们生来都是疯子。有些人一直如此。

It seems to me that if you or I must choose between two courses of thought or action, we should remember our dying and try so to live that our death brings no pleasure to the world.