The stranger is an element of the group itself, not unlike the poor and sundry 'inner enemies'—an element whose membership within the group involves both being outside it and confronting it.

我们只是一个平凡星系中的一个渺小星球上的一种高等的猴子。但是我们却可以理解这个宇宙，这就是我们的独特之处。

当人们最确信自己并充满傲慢时，通常最容易犯错误，情感主导了他们的判断，没有经过恰当的审慎，而只有审慎才能使他们远离最荒谬的错误。

Happiness is not something ready-made. It comes from your own actions.

科学是一股向善的力量，但前提是我们明智地使用它。

The uniform， constant， and uninterrupted effort of every man to better his condition， the principle from which public and national as well as private opulence is originally derived.