The most beautiful as well as the most ugly inclinations of man are not part of a fixed biologically given nature, but result from the social process which creates man.

科学发现的旅程和目的地一样重要。

The dead are always looking down on us, they say. But we don't look back.

老时相信一切，中年怀疑一切，青年知道一切。

阅读不仅仅是学习，它是关于发现你是谁。