1. Human nature is selfish, which is our innate nature.

2. In the face of money and power, affection and friendship often appear pale and powerless.

3. People often only see the success of others, but ignore the bitterness and dedication behind them.

4. Everyone has his own desire, but excessive desire will lead to destruction.

5. In life, we will encounter many temptations, but not many people can really resist them.

6. The distance between people changes not because of time, but because of interests.

7. some people seem to be very beautiful on the surface, but there are unknown bitterness and pain behind them.

8. Some people are destined to be passers-by in other people's lives, but some passers-by can leave a deep impression.

9. Everyone has his own bottom line. Once the bottom line is touched, even the closest people will become strangers.

1. Some people always like to base their happiness on the suffering of others, which is an immoral behavior.

11. A true friend is not someone who accompanies you when you are happy, but someone who silently supports you when you are down and out.

12. Life is like a play, sometimes you need to show it to others, and sometimes you need to watch other people's plays.

13. In this world, no one can really understand another person's inner thoughts and feelings.

14. The most terrible aspect of human nature is jealousy, which can make people crazy and irrational.

15. When facing the challenges of life, we need to learn to persist and work hard, but more importantly, we need to learn to accept and face the reality.