Suspect

2. If you are not happy, everything I do will be in vain.

3. Being able to get close to noble things is enough happiness.

4. It is very painful to hide the truth. Even if you capture happiness with a secret, you will probably not have real happiness. You will definitely have conceited thoughts throughout your life and never get a moment of peace.

5. Once people have tasted luxury, it is difficult to lower their standards.

6. Self-righteousness is always the enemy, and you will turn a blind eye to things that you could have seen.

7. The alibi seems fragile but cannot be overturned. This is the trap designed by Shi Shen. It seems to be an alibi, but the core is actually to conceal the identity of the deceased.

8. It seems to be a geometry problem, but it is actually a function problem.

9. There is no other possibility except the answer he provided - only by proving to this point can we conclude that that answer is the only answer!

10. There are no useless gears in this world. Only the gears themselves can determine their own use.

11. It is impossible for you and me to get rid of the shackles of the clock. Both of us have become cogs in the clock of society. Without gears, the clock will go haywire.

12. It seems to be a geometry problem, but it is actually a function problem.

13. Self-righteousness is always the enemy, and you will turn a blind eye to things that you could have seen.

14. If you are not happy, everything I do will be in vain.

15. Once people have tasted luxury, it is difficult to lower their standards.

16. It seems to be a geometry problem, but it is actually a function problem.

17. Being able to get close to noble things is enough happiness.

18. Hiding the truth is painful. Even if you seize happiness with a secret, you will probably not have real happiness. You will definitely have conceited thoughts throughout your life and never get a moment of peace.

19. The alibi seems fragile but cannot be overturned. This is the trap designed by Shi Shen. It seems to be an alibi, but the core is actually to conceal the identity of the deceased.

20. There is no other possibility except the answer he provided - only by proving to this point can we conclude that that answer is the only answer!