Etiquette, justice, honesty and shame, the four dimensions of the country, the four dimensions are not open, the country will perish. -"pipe"

Courtesy means righteousness, righteousness means benefit, benefiting the people, and it is also a major political festival. -"Zuo zhuan"

People who respect others will always respect others; People who love others will always love others. -Mencius

Quiet to cultivate one's morality, frugal to cultivate one's morality. -Zhuge Liang

Speak the way of virtue, together with ceremony. -The Analects of Confucius

Writing should be learned and making appointments should be polite. -Confucius