The purpose of life is not to be happy. It is to be useful, to be honorable, to be compassionate, to have it make some difference that you have lived and lived well.

活着是世界上最罕见的事情。大多数人只是存在，仅此而已。

长时间与计算机接触会使数学家变成文员，反之亦然。

我们讲述的故事塑造了我们生活的世界。

我既找不到一个完全献身于我的朋友，我就必须有些能以其推动力克服我的惰性的朋友。

I always say, "If you stay ready, you don't have to get ready."