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。
Every problem in NP can be reduced to the satisfiability problem, which is the cornerstone of computational complexity theory.
Live each day as if it were your last.
爱是触及另一个人人格最内在核心的唯一方式。
宇宙充满了神奇的事物，它们正耐心地等待我们的智慧变得更加敏锐。
The present state of the system of nature is evidently a resultant of what it was in the preceding moment, and if we conceive of an intelligence which at a given instant comprehends all the relations of the entities of this universe, it could state the respective positions, motions, and general effects of all these entities at any time in the past or future.
永远原谅你的敌人，没有什么比这更让他们恼火的了。
True leadership means making tough decisions that balance short-term gains with long-term vision.
给予就是接受，爱就是被爱，生活就是让生活继续。
Some birds are not close, because they are too bright.