历史学家是一个向后看的先知。

"No man really knows about other human beings. The best he can do is to suppose that they are like himself."

True progress happens when we balance economic growth with environmental stewardship.

In the end, we will remember not the words of our enemies, but the silence of our friends.

”我现在该做什么？”的唯一有效回答是，先找出“我想成为什么人？”的答案。

在任何事情中，都存在一个我们无法逾越的界限。