因此，国家并非自古以来就存在。曾经有一些社会没有国家，对国家或国家权力毫无概念。在一定的经济发展阶段，这必然与社会分裂成阶级有关，国家变成了一种必要性。
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.
我不会让任何人告诉我该做什么。
For me, money is not my definition of success. Inspiring people is a definition of success.
当我们爱时，我们总是努力变得比现在更好。当我们努力变得更好时，周围的一切也会变得更好。
The world is always right. In its judgments, it is always right. Because it is the world.
真相很少纯粹，也绝不简单。
The study of the early universe is not just about understanding the past, but also about uncovering the fundamental laws that govern all of reality.