Don't do it with little evil, and don't do it with little good. Only virtue and virtue can serve others. -Liu Bei

Civilization era is a period of learning to further process natural products, and it is a period of real industry and art. -Engels Tomorrow's civilization begins with today's dedication.

If you don't learn manners, you can't stand it -Confucius

The reason why mortals are more expensive than animals is courtesy. -"The Spring and Autumn Annals of Yan Zi"

Do a good deed and feel calm inside; If you do a bad thing, you will feel ashamed. -Han Guangshen

The saddest thing for a person is the death of conscience. —— Guo Moruo

Quiet to cultivate one's morality, frugal to cultivate one's morality. -Zhuge Liang Politeness is the golden key of mankind. Juan Antoniode