When the water is full, it will overflow; when the moon is full, it will suffer losses; when you are complacent, you will be defeated; when you are conceited, you will be foolish.

13. Nothing will happen if you are not sincere, and nothing will happen if you are not open-minded.

14. A humble person always thinks about his shortcomings; a proud person always praises his own strengths.

15. To praise oneself is to belittle oneself.

16. If having a beard means you are knowledgeable, then a goat can also give lectures.

17. Achievement is the ladder for the humble to advance and the slide for the proud to retreat.

18. People who brag about their knowledge are tantamount to promoting their ignorance.

19. Exaggerating is of no use.

20. A broad river is calm, and a knowledgeable person is humble.