1. Confucius said: "Isn't it right to learn and practice it over time? Isn't it a joy to have friends come from afar? If a person doesn't know but is stunned, isn't he a gentleman?" ("Learning to learn and practice it") 》) 2. Zengzi said: "I have to examine myself three times: Are I unfaithful in my plans for others? Are I not trustworthy in making friends? Are I not accustomed to teaching?" ("Xue Er") 3. Confucius said: "Review the past But if you know something new, you can become a teacher." ("Wei Zheng") 4. Confucius said: "Learning without thinking is useless (wǎng), thinking without learning is dangerous (dài)" ("Wei Zheng") 5. .Confucius said: "I will teach you what you know! If you know something, you know it. If you don't know it, you don't know it. This is knowledge." ("Wei Zheng") 6. Confucius said: "When you see the virtuous, you should think about it; when you see the virtuous, you should introspect yourself. "("Li Ren") 7. Confucius said: "Three people must have my teacher. Choose the good ones and follow them, and change the bad ones." ("Shu Er") 8. Zengzi said: "Shi. We must not be ambitious, and the road ahead is long and heavy. Isn’t it important to be benevolent? Isn’t it so far away after death?” ("Tai Bo") 9. Confucius said: "The years are cold, and then I know that the pines and cypresses will wither." Ye." ("Zi Han") 10. Zi Gong asked: "Is there anything you can do for life?" Zi said: "Forgive me! Don't do to others what you don't want to do to yourself." ("Wei") Ling Gong》)