4, know yourself and know yourself, invincible ("The Art of War")
5. You can tell that Guan Shan is bitter without looking at his son (Li Bai)
6, humble dare not forget the country (Lu You)
7. Being a soldier has no merit, and going to the countryside has a dream (Lu You)
8. The wind blows and the water cools, and the strong men are gone forever (Warring States Policy)
There are famous sayings about soldiers.