想要移山的人，先从搬走小石头开始。

一个人的首要职责是为自己思考。

A good world needs knowledge， kindliness， and courage； it does not need a regretful hankering after the past or a fettering of the free intelligence by the words uttered long ago by ignorant men.

做出伟大工作的唯一方法就是热爱你所做的事。