The Book of Rites University by Dai Sheng of the Western Han Dynasty. Be cautious: Be cautious about your behavior when you are alone. A gentleman should be cautious when he is alone. The word "cautious independence" came from this. A person should maintain a good moral character, without supervision from others, and not for showing others. Those two-faced figures who are duplicitous, duplicitous and have dual personalities should take this famous sentence as a warning.
Confucius' The Analects of Confucius Gongye Chang in the Spring and Autumn Period is full of rhetoric, sweet words, smiles and hypocrisy. Zuo Qiuming thinks it is shameful, and I also think it is shameful; It is shameful for Zuo Qiuming to make friends with people with resentment, and I also think it is shameful. Full respect: excessive respect.