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.

人生就像一场戏，因为有缘才相聚。

The choices you make in your 20s will shape your life for decades to come.

自然是最好的老师，而实验是我们唯一可以信任的解释者。