If you are extravagant, you will have more desires. If a gentleman wants more, he will be greedy for wealth, and he will waste his way and get into trouble quickly. -Sima Guang
3, people are kind to welcome guests, such as brothers; Evil spirits welcome people and harm soldiers. -Guan Zhong
There are brave people in the world who come suddenly and unexpectedly, but they are not angry without covering up. -Su Shi
If you don't learn manners, you can't stand it. -Confucius
6. The reason why mortals are more expensive than animals is courtesy. -"The Spring and Autumn Annals of Yan Zi"
7. Only virtuous people can serve others. -Liu Bei