1. There are three friends who benefit and three friends who harm.

2. Friends who are straightforward, understanding, and knowledgeable are beneficial.

3. Friends are friendly, friendly and gentle, friends are sycophantic, which is a loss.

4. Meaning: There are three kinds of helpful friends and three kinds of harmful friends.

5. It is beneficial to make friends with integrity, friends with integrity, and friends with extensive knowledge.

6. It is harmful to associate with flattering people, associate with people who flatter others on the surface but slander others behind their backs, and associate with people who are good at rhetoric.

7. When making friends, keep your word.

8. Use literature to make friends, and friends to help people.

9. Meaning: You should be trustworthy when dealing with friends, and enhance your own benevolence through communication and help between friends.

10. Be respectful in your place, respectful in your work, and loyal to others.

11. Even though we are barbarians, we cannot abandon them.

12. Meaning: You must have a dignified attitude in your daily life, be cautious and conscientious in your work, and be loyal and sincere in your dealings with others.

13. Even if you reach uncivilized barbarian areas, you must not abandon it.