1. To achieve a big cause, you must start from small things. ——Lenin

2. Say less nice words and do more ordinary things. ——Lenin

3. Make your career your joy and your joy your career. ——Russell

4. People find happiness in fulfilling their duties. ——Rozov

5. Do what you do, love what you do.

6. A master in every skill is not as good as a master in every skill.

7. Yesterday cannot be brought back, and tomorrow is not certain, but what can be certain is today. One day today, two days tomorrow. ——Jermanson

8. It is man’s bounden duty to have the courage to explore the truth. Copernicus

9. As long as you take one more step, as if it is a small step in the same direction, truth will turn into error. ——Lenin

10. I live for the truth and die for the truth. Apart from the truth, I have nothing of my own. ——Wang Ruofei

11. Momentary strength depends on strength, and eternal victory or defeat depends on reason. Cao Yu

12. Be confident, never afraid of the truth, bravely support the truth, tell others the truth, and fight for the truth. ——Liu Shaoqi

13. We are only willing to bow before the altar of truth, not before all material authority. ——Guo Moruo

14. It is best to compare truth to flint. The harder it is struck, the more brilliant it will be. ——Marx

15. I firmly believe that the four words "dedication and contentment" are the only way to live a human life.