Make women rational creatures, and free citizens, and they will quickly become good wives; — that is, if men do not neglect the duties of husbands and fathers.

No matter what you’re going through, there’s a light at the end of the tunnel.

每个单子都是一面镜子，反映了整个宇宙的图景。

The language of causality is the language of science.

It is in the thirties that we want friends. In the forties we know they won't save us any more than love did.

释义：如果只听取某一个人的意见或只依赖某一个人，就容易产生奸邪之事；如果独自决断、只任用某一个人，就容易引发祸乱。