自然规律是亘古不变的，不会因尧的仁德而存在，不会因桀的暴虐而消亡。

只要一件事与我们的本性和谐，它必然是善的。

To understand the meaning of a sentence， we must consider the speaker's intention and the context of the utterance.

You have to have confidence in your ability, and then be tough enough to follow through.

在任何一个有读过历史的人眼中，公民抗命是人类原始的美德。人类历史是通过公民抗命才能取得进展的，要不是经由公民抗命，就得经过军事起义了。