The concept of reducibility is central to understanding the relationships between different computational problems.

我认为，人的思维缺乏将已知事物联系起来的能力，这是世上最仁慈的事了。人类居住在幽暗的海洋中一个名为无知的小岛上，这海洋浩淼无垠、蕴藏无穷秘密，但我们并不应该航行过远，探究太深。

People can be really smart or have skills that are directly applicable, but if they don't really believe in it, then they are not going to really work hard.

I’ve had my best years after fifty. Age is just a number—it’s your attitude that counts. 

Creativity is not a talent, it's a way of operating.

To conquer fear is the beginning of wisdom.

I’m not a guy that’s going to let my love for the greatness down.

量子计算的力量来自于能够以经典计算机无法做到的方式操纵量子态。