1. If you have no friends who are worse than yourself, don’t be afraid to correct your mistakes.
2. I will examine myself three times every day: Are I being unfaithful to others? Make friends but don’t believe it? Are you not used to it?
3. Confucius said: "When three people walk, they must have my teacher. Choose the good ones and follow them, and change the bad ones."
4. Friends from afar Come, it's a pleasure.
5. When making friends, keep your word.
6. Learning is as valuable as teachers, and it is also important to have friends.