1, Confucius said: "Learn from time to time without speaking? Is it not delightful to have friends coming from distant quarters? Ignorance and dissatisfaction are not gentlemen? " Confucius said, "Isn't it pleasant to learn them and review them at a certain time?" Isn't it a pleasure to have friends from afar? I'm not disgusted (angry) that others don't understand me. Isn't he also a man of moral cultivation? "

2. Confucius said: "Clever words make color, fresh and benevolent." Confucius said: "This kind of person who is full of rhetoric and smiles is rarely benevolent."

Zeng Zitao said, "I will save myself three times a day: I am unfaithful to others." Don't believe in making friends? Can't you learn? Ceng Zi said: "I have to reflect on myself many times every day: Is it loyal to give advice and help others? Are friends trustworthy? Have you reviewed the knowledge taught by the teacher? "

4. Confucius said, "A gentleman doesn't want to eat enough, and he doesn't want peace. If you are sensitive and cautious, you are right and upright, which can be said to be eager to learn. " Confucius said, "A gentleman is not satisfied with food and drink, and he is diligent and agile in his work, but cautious in his words, which can be said to be studious."

5. Confucius said, "If you don't suffer from people's ignorance, you don't know people." Confucius said, "Don't worry that others don't know yourself, but worry that you don't know others."

6. Confucius said, "The Book of Songs is 300. In a word, that is to say, there is no evil in thought. Confucius said: "There are 300 (five) poems in the Book of Songs, which can be summarized in one sentence, that is,' thinking without evil'. "