The world is a great river, and we are the fish.

A good abstraction is one that emphasizes the important details and suppresses the unimportant ones.

法律不是人类生活的最高表现，但它是所有更高表现的不可或缺的条件。

The difference between a policy and a crusade is that a policy is judged by its results, while a crusade is judged by how good it makes its crusaders feel.