The state, therefore, has not existed from all eternity. There have been societies that did without it, that had no notion of the state or state power. At a certain stage of economic development, which was necessarily bound up with the split of society into classes, the state became a necessity.
最伟大的旅程不是用英里衡量的，而是用那些让我们屏息的时刻。
In quantum information theory, we've learned that information is not just about what you know, but about what you don't know.
一个人能做的最好的事情就是帮助另一个人知道更多。
The best books are those that make you feel less alone.
I'm the reason your mama's so depressed.