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

眼睛同时看两样东西，就会看不明白；耳朵同时听两种声音，就会听不清楚。

The higher the flight, the harder the fall.

我变得疯狂，而在长时间的可怕清醒间歇中度日。

Mistakes are the portals of discovery.

文学不过是一个有引导的梦。