NP中的每个问题都可以归约为可满足性问题，这是计算复杂性理论的基石。
No arts; no letters; no society; and which is worst of all, continual fear, and danger of violent death; and the life of man, solitary, poor, nasty, brutish, and short.
I think as technologists we should have some safe places where we can try out new things and figure out the effect on society.
我对菲律宾——我从那里过来——的人民说过，我会回来的。今夜，我再说一遍那句话：我会回来的！
创造力是用不完的。你用得越多，拥有的就越多。
膨胀宇宙模型为宇宙的起源提供了一个可能的解释。
You have to be ready to suffer if you want to be successful.