1. The cheapest and most profitable thing in the world is etiquette. ——Napoleon Hill

2. If you don’t learn etiquette, you can’t stand up. ——Confucius

3. In interpersonal interactions, the more thoughtful the etiquette, the safer it is. ——[English] Thomas Carlyle

4. Sincerity, warmth, temperament and gentle words will surely move people. ——[Ming Dynasty] Xue Xuan's "Tan Shu Lu"

5. Knowledge makes people elegant, and communication makes people perfect. ——[US] Joe. Fuller

6. Be courteous and welcome to everyone. ——Thomas. Ford

2. Good manners consist of small sacrifices. ——Emerson

If you don’t learn etiquette, you can’t stand up. ——Confucius

The reason why mortals are more noble than animals is because they are polite. ——"Yan Zi Chun Qiu"

The most appetizing thing at a banquet is the host's etiquette. ——Shakespeare

Discourteousness is the bastard child of ignorance. ——Butler

Interest is a strategy devised by smart people to keep a distance from fools. ——Emerson

People cannot live like animals. They should pursue knowledge and virtue. ——Dante

Do not do evil because it is small, and do not do good because it is small. Only those who are virtuous and virtuous can obey others. ——Liu Bei

It is not a matter of disrespect for position, but a matter of disrespect for virtue; it is not a matter of shame that one does not have a good partner, but a matter of not being knowledgeable. ——Zhang Heng

The earth can support the city wall, and the accumulation of virtue can make a solid ground. ——Li Bai

If you do a good deed, you will feel at ease; if you do a bad deed, you will feel ashamed. —— Shen Hanguang

Being immersed in the mud without being stained and not being eroded by the sugar-coated bullets of the bourgeoisie is the most valuable revolutionary quality. ——Zhou Enlai

The saddest thing for a person is the death of conscience. ——Guo Moruo

We should be zealously committed to acting morally rather than talking about morality. —— Democritus

Reason is higher than the heart, and thoughts are more reliable than emotions. —— Gorky

People should be wise in wisdom, morally innocent, and physically clean. —— Chekhov

Conscience is determined by a person’s knowledge and entire lifestyle. ——Marx

I am convinced that only a moral citizen can pay an acceptable salute to his motherland. ——Rousseau

Self-consciousness is the mother of progress, and self-abasement is the source of degradation. Therefore, self-consciousness is indispensable, and self-abasement is indispensable. ——Zou Taofen

Knowing shame is almost like courage. ——Confucius

It’s not that you can’t see justice, but that you’re afraid of not being brave enough to see justice. —— Xie Juezai

Be careful not to say bad things or do bad things even when you are alone, but to learn to be more shameful in front of yourself than in front of others. —— Democritus

Quietness cultivates one’s character, frugality cultivates virtue. —— Zhuge Liang

A gentleman worries about the road but not about poverty. ——Confucius

Be poor without flattery, be rich without arrogance. ——Zigong

Strengthen the foundation and use it sparingly, and then the sky will not be poor. ——Xun Kuang

Those who are extravagant and lazy are poor, while those who are powerful and thrifty are rich. —— Han Fei

The journey of a gentleman is to cultivate one’s character through tranquility and cultivate one’s virtue through frugality. If it is not indifferent, it will not clear its aspirations, and if it is not tranquil, it will not lead to far. —— Zhuge Liang

Those who are extravagant are in ruins, while those who are frugal are at peace. ——Bai Juyi

Don’t think about living in peace and be prepared for danger, abstain from extravagance and be frugal; cut down the roots in order to seek luxuriant trees, stop the source in order to have a long flow. ——Wei Zheng

Looking at the virtuous countries and families in the past, their success was due to diligence and frugality, and they were broken down to luxury. ——Li Shangyin

The overlord took Erjiang alone, and many of his descendants surrendered with hundreds of cities. After the success of Luxurious, what about peace and happiness and misfortune? ——Wang Anshi

Excessiveness leads to more desires. A gentleman who is too lustful will seek wealth and honor, which will lead to disaster in vain. —— Sima Guang

Whoever scrimps on food and clothing on weekdays will easily get through difficulties when he is poor; whoever is luxurious and extravagant when he is rich will die of hunger and cold when he is poor. ——Sadie

Luxury always follows fornication, and fornication always follows luxury.

——Montesquieu

A kind spirit welcomes others, and they are as close as brothers; a bad spirit welcomes others, and it harms the soldiers. ——Guan Zhong

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

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

Courtesy is the golden key to human perfection. —— Sonsuneji

Speaking aggressively does not necessarily mean that what you say makes sense. —— Sadie

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

Courtesy delights those who are polite and those who are treated with courtesy. ——Montesquieu

Courtesy can often replace the noblest feelings. - Merimee Politeness is the easiest thing to do and the most precious thing. ——Gonchar

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