1. The most appetizing thing at a banquet is the host’s etiquette. --Shakespeare

2. A benevolent person loves others, and a polite person respects others. Those who love others will always be loved by others; those who respect others will always be respected by others.

3. The faces of the world have never looked so secular as they look at funerals - Joe Edgeworth

4. The cheapest and most profitable thing in the world One material thing is etiquette. --Napoleon. Hill

5. Politeness is the golden key to human perfection.

6. People cannot stand up if they are rude, things cannot be done if they are rude, and a country cannot be peaceful if it is rude. --Xunzi

7. A gentleman is concerned about morality but not poverty. -- Confucius

8. Being immersed in the mud and not stained by the sugar-coated bullets of the bourgeoisie is the most valuable revolutionary quality. -- Zhou Enlai

9. If you value etiquette higher than the moon, you will lose the sincere trust between people. -- Bacon

10. The most important thing in life is Politeness is more important than the highest wisdom and all knowledge. --Russian Herzen

11. Being polite and thoughtful costs nothing, but it is worth more than anything else. --Spain. Cervantes

12. It is not difficult for a person with good intentions to express his courtesy to others. --Law. Rousseau

13. Those who respect others will always be respected by others; those who love others will always be loved by others. -- Mencius

14. Knowledge makes people elegant, and communication makes people perfect. --[US] Joe.

Fuller

15. If people are rude, there will be no life; if things are rude, they will not succeed; if the country is rude, there will be no peace - Xunzi