1. By repeatedly inferring and endlessly revising, you can make unquestionable progress in science.

2. Moral activities are both controlled by government officials and restricted by conscience.

3. Even the most profound remarks, if someone is rude, arrogant or noisy when speaking, it will be difficult to leave a good impression in the minds of others, even if they win the debate.

4. Virtue is harder to acquire than worldliness; young people rarely recover their virtue after they lose it. Cowardice, incompetence and ignorance of the world are the faults that everyone attributes to private education. In fact, this is not the inevitable result of education within the family, nor is it an incurable problem. If overindulgence at home often makes people weak and incompetent and should be avoided at all costs, it is mainly because our purpose is for the sake of virtue.

5. Everyone is born with double rights: first, the right to his personal freedom... second, the right to inherit his father's property with his brothers before anyone else. .

6. If pride, vanity or anger makes a child lose his fear, or makes him not listen to the advice of fear, this kind of mentality should be eliminated by appropriate methods, and he should be made to think about it for a moment. , lower your temper, think twice before you act, and see if the thing in front of you is worth the risk.

7. There are two types of bad etiquette: the first is shyness. The second type is indiscretion and contempt. To avoid these two situations, the only way is to abide by the following rule: do not look down on yourself, and do not look down on others.

8. Etiquette is to add a layer of decoration on top of all his other virtues, making them effective for him and gaining him the respect and favor of all those who are close to him.

9. The etiquette is too complicated, and you insist on imposing etiquette on others that is too much and makes others feel stupid and ashamed. This situation seems to be mocking others rather than respecting them.

10. Politeness is a language. Its rules and practices must be learned mainly from observation and the behavior of educated people.

11. In people who lack education, bravery will become rough, knowledge will become pedantry, wit will become fun, simplicity will become ridiculous, and gentleness will become flattery.

12. Friendship established on the basis of business is better than business established on the basis of friendship.

13. Everyone is born with double rights: first, the right to his personal freedom... second, the right to inherit his father's property with his brothers before anyone else. .