最令人兴奋的事情是当你突然看到一个困扰你很长时间的问题的解决方案时。

I met the towering intellectuals in books, not in classroom, which is natural.My family was into all that stuff, getting ahead through discipline, knowledge, and self-control.

逝者是我们的老师，如果我们懂得倾听。

我不害怕失败，我害怕不去尝试。

"You are not the opinion of somebody who doesn't know you."

历史学家必须是诗人，不是为了创造，而是为了重新创造。