The anarchic nature of the international system means that states must rely on self-help to ensure their survival.
国际体系的无政府性质意味着国家必须依靠自助来确保其生存。
Success comes from solving real problems, not just chasing trends.
经过无数代人的努力，你才达到了现在的水平。也许需要一点感激之情。如果你要坚持让世界按你的方式弯曲，你最好有自己的理由。
Diversity of thought leads to better decision-making in complex environments.
每本书都是一个完美想法的残骸。