1. The goal is set. No matter what difficulties and twists and turns you encounter in the process of learning and practice, you will not be discouraged. You will not easily change your goals, but work hard to learn and struggle. Only in this way will you be able to Achieve something and achieve your goals. ——Wu Yuzhang

2. Failure in practice mainly occurs due to unknown reasons. It is in this case that the two desires of people: the desire for knowledge and the desire for power are truly combined. ——Bacon

3. We have discussed theological and philosophical truths above, but we also need to talk about practical truths. Even those who behave despicably cannot help but admit that honesty is a noble virtue, and hypocrisy is like counterfeit money. It may be useful for shopping, but it also devalues ??the true value of things. This kind of deceitful behavior is like a snake, which cannot use its feet but can only walk on its belly. ——Bacon

4. Not only must we unite those who have the same opinions as ourselves, but we must also be good at uniting those who disagree with us, and we must also be good at uniting those who oppose us and have been proven to have made mistakes in practice. people. ——Mao Zedong

5. The Chinese have an old saying: "If you don't enter the tiger's den, you can't catch the tiger's cubs." This sentence is true for people's practice and is also true for epistemology. It is impossible to understand without practice. ——Mao Zedong

6. If people want to succeed in their work, that is, to obtain the expected results, they must make their thoughts conform to the laws of the objective external world. If they do not conform, they will fail in practice. ——Mao Zedong

7. Only people’s social practice is the standard of truth for people’s understanding of the outside world. The standard of truth can only be social practice. ——Mao Zedong

8. The success of our reform and opening up does not rely on textbooks, but on practice and seeking truth from facts. ——Deng Xiaoping

9. Friendship can only be produced and maintained in practice. ——Goethe

10. The souls of people without education, knowledge, and practice are like a field. Even if this field is naturally fertile, it will not bear fruit without cultivation and sowing. .

——Grimelshausen