道德不是关于如何使自己幸福的学说，而是关于如何使自己配得上幸福的学说。
The people who were trying to make this world worse are not taking the day off. Why should I?
The end is in the beginning and yet you go on.
Don't just fight in the North or the South. Always imagine every battle in your mind, where everyone is both your enemy and your friend, and all possible events happen simultaneously. That way, nothing will take you by surprise, and everything that happens will be something you've already imagined.