1. Mastering any kind of knowledge is useful for intelligence. It will throw away useless things and keep good things.

2. Our greatest knowledge is introspection.

3. Learning is like drilling oil. The deeper you drill, the more you can find the essence of knowledge. Learn to crawl first and then learn to walk.

4. People can't live like animals, but should pursue knowledge and virtue.

5. Curiosity is omnipotent, which opens us up to self-knowledge and understanding.

6. Only by opening the net of memory at all times can we catch the prey of knowledge.

7. knowledge needs to be explored repeatedly, and land needs hard work.

8. after the mind is expanded into a new concept, it can't begin to return to its original state.

9. it's not a pain to try and a loss to ask. People who are good at asking questions are rich in knowledge.

1. Modesty makes people progress and pride makes people fall behind. An open-minded man learns that ten counts as one, and a proud man learns that one counts as ten.

11. You must learn from the previous generation, and you must master the best achievements that human beings have made, and then bring forth the new through them.

12. Education is to make children thirst for knowledge rather than let knowledge chase them.

13. The history of knowledge is like a great polyphony, in which the voices of all ethnic groups are sounded one after another.

14. Without hard study, there is no simplest invention.

15. everywhere is a place of creation. every day is a time of creation. everyone is a creator.

16. The heritage of educated people is more valuable than the wealth of those ignorant people.

17. Sweat and harvest are faithful partners. Diligence and knowledge are the most beautiful couple.

18. The masses are real heroes, while we ourselves are often naive and ridiculous. If we don't understand this, we can't get the minimum knowledge.

19. Catch two rabbits at the same time and catch neither. Once born, twice cooked, and three times came to be a master.

2. Knowledge is true only when it is acquired by positive thinking rather than remembered by vouchers.