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.

建筑应该是安静的，而不是喧闹的。

成功的秘诀是知道别人不知道的事情。

如果你想成功，你必须愿意失败。