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.

【解释】在宁静平淡的环境中，才能发现人生的真正境界；在粗茶淡饭的简单生活中，才能看清人生的真相。

伟大并不是一种只有我们中的特殊人物才能品尝到的奇妙、深奥、难以捉摸、神一般的特征。它是真正存在于我们所有人中的东西。

It is the mind that makes the body rich.

创新不仅仅是创造新产品，而是重新构想我们如何解决老问题。

国与国之间是平等的，人与人之间也是平等的，在人格与尊严上是没有贵贱之分的，上天对所有人都是一视同仁的，人生而平等是上天赋予每个人的不可被侵犯的权利。