1. Practice will solve those problems that cannot be solved by theory. ——Feuerbach

2. Intelligence is the daughter of practice. - Leonardo da Vinci

3. Not hearing is worse than hearing it, hearing it is worse than seeing it, seeing it is worse than knowing it, and knowing it is worse than doing it. ——Xun Kuang (Warring States Period)

4. What you hear with your ears is not as good as seeing it, what you see with your eyes is not as good as walking on it, and what you are practicing is not as good as using your hands to discern. —Liu Xiang (Han)

5. All theoretical laws depend on practical laws; if there is only one practical law, then they all depend on this practical law. - Fichte

6. Practice "takes the objective world as the premise, and the objective world as something else follows its own path." - Hegel

7. Whatever must be argued about in theory, simply use the practice of real life to solve it. - Chernyshevsky

8. The things in the world are not as detailed as those who hear them, and those who see them are not as complete as those who live there. -Lu You (Song Dynasty)

9. If you can say something, you can do something; if you can do something, you can know something. This is called true knowledge. If you just talk but don't do it, you will end up confused when things happen. - Wang Tingxiang (Ming Dynasty)

10. If talents and learning are not used, they will be buried forever. -Sadie

11. Whatever is correct in theory must also be effective in practice. - Kant

12. Since ancient times, the teachings of sages and sages have put practice first, followed by knowledge and speech. -Lin Xiyuan (Ming Dynasty)

13. When you wake up in your heart and say it in your mouth, it is useless to do it on paper unless you practice it yourself. -Yan Yuan (Qing Dynasty)

14. The importance of learning is not as important as knowing it; the important thing of knowing is not as practical as practicing it. -Li Guangdi (Qing Dynasty)

15. A bowl of hot and sour soup, what you hear orally tell you is not as clear as taking a sip in person. —Lu Xun (middle)