Generals must not be arrogant. Being arrogant will lead to disrespect, and being disrespectful will cause people to leave. If people leave, everyone will rebel. ——Zhuge Liang?

Courtesy is the second sun of an educated person. ——Heraclitus

Courtesy can often replace the noblest emotions. ——Merry Mei?

If a person is polite, he will be safe, but if he is rude, he will be in danger. ——"Book of Rites"?

Educated in literature, make appointments with etiquette. ——Confucius?

If a country is courteous, the country will be prosperous; if a family is courteous, the family will be prosperous; if the body is courteous, the body will be cultivated; if the heart is courteous, the heart will be peaceful. ——Qing Yan Yuan?

A polite demeanor is mainly a manifestation of self-restraint. ——American Edison?

Courtesy is the first thing that children and young people should take special care to develop into habits. ——English Locke?

It is not difficult for a person with good intentions to express his courtesy to others. ——France Rousseau?

People cannot stand up if they are rude, things cannot be done without rudeness, and a country cannot be peaceful if it is rude. ——Xun Qing?

Etiquette is the scripture of heaven, the righteousness of earth, and the behavior of people. ——Zuo Qiuming?

Virtue is a gem. ——John Locke, England?

The bee sips honey from the flower and expresses its gratitude when leaving. The flamboyant butterfly believes that the flower should thank him. ——Tagore?

Growing wealth and growing comfort bring civilization to mankind--Disraeli

Civilization is to create cultivated people--Ruskin (UK)

The history of civilization is the history of mankind's slow and painful liberation.

--Ingersoll