1. Politeness is the easiest thing to do and the most precious thing. ——Gonchar

2. Politeness makes polite people happy, and also makes people who are treated politely happy. ——Montesquieu

3. Politeness is the golden key to human perfection. ——Matsusuneji

4. Speaking aggressively does not necessarily mean that what you say is reasonable. ——Sadie

5. Whether you are a man or a woman, you must be gentle and tolerant to others to be worthy of your name. A person's true bravery and decisiveness are by no means equivalent to using fists to stop others from speaking. ——Sadie

6. Politeness can often replace the noblest feelings. ——Mérimée

7. Politeness is the first important thing that children and young people should be particularly careful to develop into habits. ——John Locke

8. A bad temper is one of the more despicable human natures. If a person loses his temper, it means taking a step back on the ladder of human progress. ——Darwin

9. There are brave men in the world who are not surprised when something happens suddenly, and are not angry when something happens without reason. ——Su Shi

10. We should be careful not to hurt other comrades with words, but we should also be able to bear it when others use words to hurt us.

——Liu Shaoqi