这是友谊的特权，可以胡说八道，也可以尊重她的胡说八道。

War is an ugly thing， but not the ugliest of things: the decayed and degraded state of moral and patriotic feeling which thinks that nothing is worth a war， is much worse.

可持续发展要求我们在经济增长和环境保护之间取得平衡。

地壳在某种程度上是过去时间的博物馆。

The writer's only responsibility is to his art.

我相信讲故事的力量可以改变人心和思想。

数学的美在于它能够以最抽象的术语描述宇宙。

The end of history will be a very sad time. The struggle for recognition, the willingness to risk one's life for a purely abstract goal, the worldwide ideological struggle that called forth daring, courage, imagination, and idealism, will be replaced by economic calculation, the endless solving of technical problems, environmental concerns, and the satisfaction of sophisticated consumer demands.

数学的本质在于它的自由。

人生是一段旅程，每一步都很重要。