The anarchic nature of the international system forces states to compete for power.

I don't want to be remembered for being famous. I want to be remembered for being brave.

自由不仅仅是摆脱枷锁，而是以一种尊重和增进他人自由的方式生活。

我们衡量成功的标准不应只是生产了多少桶油，还应包括避免了多少排放。

The past is not a straight line but a tangled web.

Every age has its pleasures, its style of wit, and its own ways.

最终，我们记住的不是敌人的话语，而是朋友的沉默。

The power of abstraction is that it allows us to reason about systems at a higher level, without getting bogged down in the details.