States are rational actors that seek to maximize their relative power in order to ensure their survival in a competitive international system.

我曾经整天不吃饭，整夜不睡觉，去苦苦思索，结果没有益处，还不如去学习。

非暴力是人类可以使用的最强大力量。

The real competition is not between companies, but between technologies and visions.

A person who is too nice an observer of the business of the crowd, like one who is too curious in observing the labor of bees, will often be stung for his curiosity.

现代国家是欧洲经验的产物。