一个国家真正的财富在于它的自然资本。

The purpose of computation is insight, not numbers.

音乐是人类通用的语言。

I think of other ages that floated upon the stream of life and love and death and are forgotten,and I feel the freedom of passing away.

Education is the art of making man ethical.

Suspend judgment， and you alone will be unperturbed.

在野外，没有第二次机会。你必须第一次就做对。