1. What a person shows off shows what is lacking in his heart. ——Yu Dan

2. The more a person cares about, the more he or she feels inferior. ——Yu Dan

3. Is there such a thing as human nature? Of course there is. But there is only concrete humanity, not abstract humanity. In a class society, there is only class-based humanity, but no super-class humanity. ——

4. As long as possible, everyone will become a tyrant. This is the nature given to humans by nature. ——Defoe

5. No matter who wants to establish a country and give it laws, he should first assume that people are evil. ——Machiavelli

6. Human beings are between gods and beasts, sometimes leaning towards one category and sometimes towards the other; some people become increasingly holy, some become beasts, and most people remain moderate. ——Plotinus

7. Human beings are both strong and weak, humble and noble, able to see into the subtleties but often turn a blind eye. —— Diderot

8. Man is the measure of all things, the existence of existents and the non-existence of non-existents. ——Plato

9. Man is a tight rope between animals and superman, a rope crossing the abyss. ——Nietzsche

10. Man is the purpose of nature; there is nothing like him. They can easily make themselves orderly in every part of the universe;...he does it himself and creates it from himself. The entire social organization and temporal environment. ——Emerson

11. People have two eyes, both of which are parallel, so they should see people equally; their two ears are on both sides, so they should not listen to one side of the story; although people There is only one heart, but there are two chambers on the left and right, so when doing things, you must not only think about yourself, but also think about others. ——Yu Dan

12. People allow a stranger to prosper, but cannot tolerate the promotion of a person around them. Because there are contrasts and contrasts of interests between people at the same level, but there are no such problems with strangers. ——Yu Dan

13. The nature of people in the world is the same, but education and habits make their expressions different. Therefore, we must understand them through various coats. ——Chesterfield

14. Although the ways and habits of expression are different, human nature is the same. ——Chesterfield

15. He is his own purpose. He has an infinite value and an eternal mission in himself. ——Hegel

16. If a man does not rise into the sky and become an angel, there is no doubt that he will sink and become a devil. He couldn't stay. The most savage man is not a beast, he is worse, very bad. —— Coleridge

17. I can calculate the orbits of celestial bodies, but I cannot calculate the madness of human nature. —— Newton

18. I am a human being, and I feel kind to anything that is in line with human nature. ——Marx

19. I only build a small temple. In this small temple, I worship human nature. ——Shen Congwen

20. Perhaps this is also the weakness of human nature. We always like to do things we are familiar with.

21. People, in fact, all rational beings, exist because they are an end in themselves, not just tools for this or that will. ——Kant

22. There is no so-called unswerving determination to do good or evil in human nature, except on the guillotine. ——Nah Hawthorne

23. Human wildness is no different from the various beasts in the oak forest. ——Ben Jonson

24. Human arrogance is a mentality that can only be discovered in retrospect, and its existence can only be determined after being punished. ——Nabokov

25. Man is the ultimate goal of creation in the world, because man is the only unique existence in the world that can form the concept of purpose and can form a large number of purposeful things. Among the things formed, with the help of his reason, a system of purposes is formed.

——Kant