现实总是比我们能发明的任何虚构更复杂。

In computer science, abstraction is the key to managing complexity.

You see, in life, lots of people know what to do, but few people actually do what they know. Knowing is not enough! You must take action.

"Psychology must focus on the utility of mental operations."

译文：一心想完成替君主收复国家失地的大业，争取生前死后都留下为国立功的美名。可叹如今满头白发已经丛生!