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.

只有比别人更努力，才能比别人更成功。

我认为人生中最重要的是自爱，因为如果你不爱自己，不尊重自己的身体、灵魂和存在，又怎么能和别人建立健康的关系？

The most reliable way to predict the future is to invent it.

数学是一种超越文化和语言障碍的通用语言。

我不是人，我是过程。