1. Everyone can notice that people who live an immoral life are more in need of drugs to make themselves unconscious than others; robbers, thieves, and gamblers cannot live without narcotics. ——Tolstoy

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

3. Selflessness is a rare morality because there is no profit from it. ——Brecht

4. Vanity can hardly be said to be a vice, but all vices revolve around vanity and are nothing but means to satisfy vanity. ——Bergson, Cultivate yourself to respect, don’t trust others to respect. ——Book of Jin

5. The heroes we call are not those who win with ideas or strength. The heroes I call are only those who have high moral character. ——Romain Rolland

6. A person must use all his strength to improve himself and not waste his strength on anything else. ——Leo Tolstoy

7. 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

8. The bees sip honey from the flowers and thank them Yingying when they leave. The flamboyant butterfly believes that the flower should thank him. ——Tagore

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

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

11. Extravagance means taking extravagantly and humiliating one's ambition; if one practices frugality, one has nothing to ask for from others and nothing to be ashamed of oneself, which can nourish one's spirit. ——Luo Da Jing

12. The first improvement in self-cultivation is not to protect shortcomings. If a person does not protect his shortcomings, he will make progress. ——Lu Kun

13. 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

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

15. A bud or bud of virtue. This is the most precious virtue and the mother of all morals. This is humility; with this virtue we will know how to behave. Endless fun. ——Galdos