2. Education should be regulated by law and should be a national affair.

3. Happiness is the highest good.

4. Goodwill is a prerequisite for friendship, but the two cannot be confused.

5. There are three kinds of knowledge that human beings need: theory, practicality, and identification.

6. A barking dog is more useful than a sleeping lion.

7. The ultimate value of life lies in the ability to awaken and think, not just in survival.

8. Human beings are naturally social animals.

9. Serious people imitate the actions of noble people, while frivolous people imitate the actions of despicable people.

10. The so-called equality means that the poor do not take advantage of the rich.

11. Genius must form a close alliance with madman.

12. I love my teacher, but I love the truth even more.

13. Habits can create second nature.

14. Evil events arise from evil.

15. Memory is the mother of wisdom.

16. Happiness lies in autonomy and self-sufficiency.

17. Happiness belongs to satisfied people.

18. Serious people imitate the actions of noble people, and frivolous people imitate the actions of despicable people.

19. The greatest honor is the honor of defending the motherland.

20. The clearest style is formed by ordinary language.

21. Nothing is most likely to cause a person to become exhausted or damage a person than to not engage in physical activity for a long time.

22. Living according to moral principles is a happy life.

23. Pity is caused when a person is loved and cares about his luck, and fear is caused when the person who suffers misfortune is similar to us.

24. People without crazy personalities will never have huge geniuses.

25. The ultimate value of life lies in the ability to awaken and think, not just in survival.