The beauty of mathematics is that it is one of the few areas of human endeavor where absolute truth can be known.

The past is a kind of shadow which is always there, whether you choose to ignore it or not.

我觉得我太忙于创造历史，以至于没时间去读历史。

There is a great deal of unmapped country within us which would have to be taken into account in an explanation of our gusts and storms.

普遍认为心理生活是一个整体，这一点可以毫无保留地接受。

快乐的人不是处于某种特定环境的人，而是具有某种特定态度的人。

Civilization is a stream with banks. The stream is sometimes filled with blood from people killing, stealing, shouting and doing the things historians usually record, while on the banks, unnoticed, people build homes, make love, raise children, sing songs, write poetry and even whittle statues. The story of civilization is the story of what happened on the banks.

你的利润空间就是我的机会。