The anarchic nature of the international system means that states must rely on self-help to ensure their survival.

The spirit is the life that itself cuts through life; it feeds on the fire that burns within the soul.

To win you have to believe you are the best. If you're not, pretend you are.

译文：只要专注于眼前的事物，自然就不会有烦恼。

要摧毁一种文化，你不必烧书。只要让人们停止阅读它们。