2. What you have earned through hard work is really valuable.

3. Reading is to the mind what exercise is to the body.

4. No matter when or what, I will never allow myself to be a little discouraged.

5. My philosophy of life is work. I want to reveal the mysteries of nature and serve mankind with it. In our short life, I don't know what is better than this kind of service.

6. Books are the legacy left by genius to human beings, handed down from generation to generation, and even more, they are gifts for those who have not yet been born.

7. Genius is 99% perspiration and 1% inspiration.

8. I have never made an accidental invention in my life. All my inventions are the result of careful consideration and rigorous experiments.

9. When you want to succeed, you should use persistence as your good friend.

1. I never want to abandon my life of struggle. I attach great importance to the experience gained from struggle, especially the pleasure gained after overcoming difficulties. A person has to go through difficulties first and then step into prosperity before he feels useful and comfortable.

11. I'm not interested in God. The Bible is man-made.

12. Reading is to wisdom what gymnastics is to the body.

13, the so-called genius, that is a lie, hard work is real.

14. Wisdom is 99% perspiration and 1% inspiration. That one percent inspiration is more important.

15. There is nothing with real value in the world that can be obtained without hard work.

16. People who don't make up their minds to cultivate thinking will lose the greatest pleasure in life.

17. If I deny the existence of God, I will blaspheme my knowledge. I am convinced that there is an all-knowing, all-powerful and supreme God.

18. Surprise is the seed of science.

19. When a person is young, he will accomplish nothing without thinking.