想象力是一块肌肉。如果你不使用它，它就会萎缩。

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.

善于倾听是一种超能力。倾听你所爱之人的时候，多问问“还有什么？”，直到他们倾诉了所有。

在数学中，你并不理解事物。你只是习惯了它们。