We choose to go to the moon in this decade and do the other things, not because they are easy, but because they are hard, because that goal will serve to organize and measure the best of our energies and skills, because that challenge is one that we are willing to accept, one we are unwilling to postpone, and one which we intend to win, and the others, too.

大分子的概念并不容易被接受；它需要化学家对物质结构的思考方式发生彻底的改变。

聪明的人谈现在，愚蠢的人谈过去，傻子才谈未来。

计算复杂性的美在于它能够揭示问题的固有难度，而不管用于解决这些问题的具体算法是什么。

指出人性中的贪婪和恶意有时比超自然现象更令人恐惧。

时间不是线性的；它是一个循环。