2. The reason why mortals are more expensive than animals is courtesy. -"The Spring and Autumn Annals of Yan Zi"
3, don't do evil, don't do good. Only virtue and virtue can serve others. -Liu Bei
4, do not suffer from disrespect, and suffer from morality; Not ashamed of Lu's disagreement, but ashamed of his lack of wisdom. -Zhang Heng
5, soil can support the city wall, and it is thick. -Li Bai
6, do a good deed, inner peace; If you do a bad thing, you will feel ashamed. -Han Guangshen
7. Being immersed in the mud and not being eroded by the sugar-coated shells of the bourgeoisie is the most valuable revolutionary quality. ——? Zhou Enlai
8. The saddest thing for a person is the death of conscience. —— Guo Moruo
9. Consciousness is the mother of progress and inferiority is the source of degeneration, so consciousness is indispensable and inferiority is indispensable. -Zou Taofen
10, shame is almost brave. Confucius