1. Only when people treat each other sincerely can they be true friends. Anyone who plots against his friends is deceiving himself.

2. Be low-key, be measured, be pragmatic, be meticulous, be kind and down-to-earth, not show off your edge, be sincere and upright, and be kind to others.

3. See the world with your third eye, treat others with a sincere heart, live with childlike innocence, live in the world of mortals, rather than let the world of mortals live in your heart.

4. She is really nice, with gentle eyebrows, polite and humble, easy-going and sincere towards others. I just don’t like you.

5. You must be sincere in dealing with others, but sincerity does not mean being unguarded and unthinking. In different situations and with different identities, you should behave accordingly.

6. Be sincere, be true to yourself, and be true to others. Truth is one's own judgment; sincerity is the judgment of others. Be true, and then you will have sincerity.

7. I always thought that as long as I treat others sincerely, they will treat me sincerely. But later I realized that everything was just what I thought.

8. I treat people who treat me sincerely and help kind people, but I don’t believe that God will punish evil people.

9. Work seriously and be a simple person. Treat life with a sincere heart and treat the world with a simple heart.

10. Good luck is a weird thing. It surrounds us all the time. Only those who treat others sincerely can see it.

11. If you cannot be great, just be an ordinary person, have an ordinary heart, and live an ordinary life. Treat people sincerely and have no regrets.

12. Be sincere to others and be honest to yourself. Being sincere to others can make you friends; being honest to yourself can help you improve yourself.

13. There is a kind of reward that is your sincere treatment and also the sincere dedication of others. That is more gratifying and touching than receiving money.

14. When you treat others sincerely but don't get the respect you deserve, you have to look back and see if you are really sincere.

15. Standing in front of the mirror, I can’t believe what I see. When I try to treat people with sincerity, I am abandoned without mercy.