A proof of a proposition is a process the nature of which is such as to produce in us a belief in that proposition.

人类大脑是一个复杂的自组织系统。

The historian’s task is to bring the dead to life.

任何政治制度的成功都取决于其在公民眼中产生合法性的能力。

I don’t need luck, I make my own.