出自《海国图志》。不管是东海还是西海，圣人各出自不同地方但是心理是相同的。

The best ideas often come from challenging the status quo.

追随你的心，用它引领你的一生，任何其他事情都是次要的。

States are rational actors, and they will always act in their own self-interest.

In this trifling affair， that misunderstandings and neglect occasion more mischief in the world than even malice and wickedness. At all events， the two latter are of less frequent occurrence.

表示论提供了表达许多数论现象的语言。