States are inherently aggressive and expansionist because they exist in an anarchic international system where there is no higher authority to keep them in check.
国家本质上是侵略性和扩张主义的，因为它们存在于一个无政府状态的国际体系中，没有更高的权威来约束它们。
"The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion."
The golden rule is that there are no golden rules.
后世的君主却不是这样，认为天下的利害大权都出于自己。
成功的关键在于不断学习和适应。
没有自然光的房间就不是房间。