1. A true scientist should be a visionary. Whoever is not a visionary can only call himself a practitioner? Balzac

2. A bowl of hot and sour soup , what you hear orally is not as clear as taking a sip in person. ?Lu Xun

3. A knowledgeable person who does not practice is equivalent to a bee who does not make honey. ?Ancient Persian Saadi

4. Instead of cursing the darkness, it is better to light a bright candle. ?Anna Louise Strong

5. One can only learn to skate after going through the stage of staggering around and making oneself look like a fool. ? Bernard Shaw

6. All theoretical laws depend on practical laws; if there is only one practical law, then they all depend on this practical law. ?Fish

7. A person's experience must be gained through hard work, and only the tempering of years can make it mature. ?Shakespeare

8. If you want to gain an opinion, you first need labor, your own labor, your own initiative, and your own practice. ?Dostoyevsky

9. We cannot wait for the gifts of nature, we must ask for them from nature. ?Michulin

10. If a person does not do it down-to-earth, then everything he hopes for will be in vain. ?Moluwa

11. There is no end to the bold activities of science, and there should be no end. ?Golgi

12. Practice will solve difficult problems that cannot be solved by theory. ?De Feuerbach

13. Fire makes gold, practice tests truth? Folk proverb

14. Marxism-Leninism does not end with truth, but continues to develop in practice Open the way to know the truth. ?Mao Zedong

15. Youth is the time to learn wisdom, and middle age is the time to put it into practice. ?Rousseau

16. Practice is a great whistleblower. It exposes all deception and self-deception. ?Chernyshevsky

17. There is no innate talent in the world, talent must be tempered. ?Chernyshevsky

18. How can a person know himself? Not through thinking, but through practice. ?Goethe

19. Never talk about what a good person should be, just be such a person! ?Antonino

20. Hard and high-quality The steel bars are made after thousands of times of hard work; the magnificent and beautiful shells are obtained by being washed by water and exposed to the sun. Our will and perseverance must also be severely tested in the fiery struggle and undergo long-term training.

?Kalinin