1. Don’t laugh at others’ hunched backs, straighten your own back.

2. The most difficult thing in life is to know yourself.

3. The more incompetent a person is, the more he likes to find fault with others.

4. Only among people can you know yourself.

5. You can clearly count the stars in the sky, but you can’t see the soot on your face.

6. You know where your shoes are tight.

7. Everyone knows where shoes squeeze the feet.

8. You know your own appetite.

9. If you can’t command yourself, you can’t command others.

10. People who are afraid of you in front of you will definitely hate you behind your back.