Lu Xun’s sentences that see through human nature are as follows:

1. Even if a cowardly person has endless anger, what can he burn except weak grass?

2. The world is really a difficult place. It is certainly not a good word to say that a person is "unsophisticated", but it is also not a good word to say that he is "deeply sophisticated".

3. Time is running for everyone. Instead of unnecessary anxiety and worry, it is better to calm down and do your own things well.

4. Human eyes will change from not being able to understand anything at first to not feeling strange at all later.

5. People always change, but the direction of change is not necessarily for the better.

6. Life is like a play. We get together because we are destined, but we end because we are not destined.

7. The human heart is a bottomless abyss. We can never fully understand the inner world of others.

8. Human desires are endless, and once aroused, they are difficult to control.

9. Human nature is selfish, and only through education and cultivation can we restrain our selfish desires.

10. Human life is limited. We should cherish every day and not waste our time.

11. The relationship between people is very complicated. Sometimes even the closest people will betray you.

12. Human nature is to like ease and comfort, but only by experiencing hardship can we truly grow.

13. The human soul needs nourishment. Without spiritual food, it will become empty and poor.

14. Human thoughts can be shaped, and we should pay attention to education and cultural cultivation.

15. People pursue freedom and independence throughout their lives, but true freedom and independence are not so easy to obtain.

16. Human personality is determined by environment and experience, so we must learn to adapt to different environments and interpersonal relationships.

17. People are looking for their own value and meaning throughout their lives, but this answer is not so easy to find.

18. The human soul needs to breathe. If we are in a state of stress and anxiety for a long time, we will become exhausted.

19. People pursue happiness and joy throughout their lives, but true happiness and joy are not so easy to obtain.

20. People’s thoughts can be changed, as long as we have enough courage and determination to change our lifestyle and way of thinking.