chapter 9 of sun Chou says: "Boyi, if he is not his ideal monarch, he will not serve, and if he is not his favorite friend, he will not make friends. Don't be an official in the court of the wicked, don't talk to the wicked. Being an official in the court of the wicked, talking with the wicked, feels like sitting on the charcoal dust in the dirt wearing the clothes and hats of the court. Spread this aversion to the wicked, and he will think that if he stands with a countryman and his hat is not properly worn, he should leave him angrily, as if he would defile him. Therefore, even if the vassal invited him with beautiful words, he would not accept it. If you don't accept it, you will disdain to approach them. Liu Xiahui doesn't think it's a shame to serve a bad monarch, and he doesn't despise it because of his small official position; To be an official in the imperial court, if you don't hide your talents, you must act according to your own principles; Abandoned by the monarch without resentment, poor without sadness. So he said,' You are you and I am me. Even if you are naked by my side, how can you defile me?' So he can happily stay with such people without losing his manners. If he is dragged to stay, he will stay. If you pull him to stay, he will stay, which is just disdaining to leave. Mencius said, "Boyi is narrow-minded, but Liu Xiahui is not serious. Narrow and not serious, the gentleman is not to follow suit.

hope to adopt.