历史学家必须怀有一种信念：人类不会也不能灭亡。

The proletariat is the universal class, the class whose radical chains are capable of bursting asunder.

Art is the only way to run away without leaving home.

Our greatest weakness lies in giving up. The most certain way to succeed is always to try just one more time.

不能检查反省自己的人，看不出自身毛病；不能耐心忍受麻烦的人，终究是一事无成。