Knowing honesty and shame, knowing honor and disgrace, doing something and not doing something are the famous sayings of Confucius. According to the relevant public information, the reason why Confucius put forward this sentence is that he hopes people can learn to be moderate in behavior, be self-disciplined, do something, do something wrong, have a correct understanding of their own behavior, be moderate, and not go beyond their own boundaries, so as to cultivate their own good moral character, learn to know honor and disgrace, be modest and prudent, and enhance their sense of shame.