Literature is the memory of humanity, and without it, we are lost.

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.

有的人忙着死，有的则人忙着活。

儿童对活动的需要几乎比食物的需要更为强烈。