The best leaders are those most interested in surrounding themselves with assistants and associates smarter than they are.

The past is a different country, they do things differently there.

All mankind... being all equal and independent, no one ought to harm another in his life, health, liberty, or possessions.

在探索理解量子引力的过程中，我们就像在广阔海洋岸边玩耍的孩子，偶尔发现一块光滑的鹅卵石或一个漂亮的贝壳，而真理的浩瀚海洋仍未被我们发现。

I will always be grateful to my poor parents. I owe everything to them， my education， my life， and any success I have had.

A man is rich in proportion to the number of things which he can afford to let alone. That man is the richest whose pleasures are the cheapest.

想象力的解放是所有解放中最危险的。

我是一个美国黑人，我为我的种族感到骄傲。我为自己是谁感到骄傲。我有许多自豪和尊严。