I believe that everything happens for a reason.

Humility is the greatest virtue a scientist can possess.

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.

债券市场是投资界的罗德尼·丹泽菲尔德——它得不到尊重。

理论计算机科学中的挑战不仅仅是解决问题，而是理解为什么它们难以解决。

When you attack coal, you attack middle America.