Mathematics is not a spectator sport; you have to play to understand.
数学不是观赏性运动，你必须参与其中才能理解。
最好的文学挑战我们以不同的方式看待世界。
The biographer's task is to resurrect the past, not to judge it.
As to the gods, I do not know whether they exist or not, nor what they are like in form; for there are many things that hinder sure knowledge, the obscurity of the matter and the shortness of human life.
Every man is a moon and has a dark side which he never shows to anybody.
地球的历史是用板块构造的语言书写的。