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。

我现在确信理论物理学实际上是哲学。

The sociological imagination enables us to grasp history and biography and the relations between the two within society.

领导力意味着多听少说，并带着目标行动。

A dreamer is one who can only find his way by moonlight, and his punishment is that he sees the dawn before the rest of the world.

事实是，我是个糟糕的说谎者。但我是一个好的倾听者。