The existence of a legal system depends on the acceptance of secondary rules by officials.

"The only way to make sense out of change is to plunge into it, move with it, and join the dance."

富贵不能淫，贫贱不能移。越是富贵，越是不能骄傲；越是贫穷，越要坚守志向。虽然尊敬贤能的人，但也不能贬斥那些愚笨不肖的人。