1, the price is moderate, everything is natural except knowledge. The richer the knowledge, the more expensive the value. -Margo

The first sign of an educated mind is being good at asking questions. -plekhanov

3. The three conditions of learning are: more observation, more hardship and more research. Garfield

4. Knowledge is a treasure, but practice is the key to it. Thomas fuller

People are learning things every day, and what they often learn is to find out that what they learned yesterday is wrong. ——B.V

6. I didn't get any other benefits from my efforts, but I became more and more aware of my ignorance. Descartes

7. Knowledge stored as brain fat is useless, and it is only useful when it becomes brain muscle. Spencer

8. Lazy thinking, unwillingness to study and deeply understand, complacency or contentment with insignificant knowledge are all reasons for poor intelligence. This kind of poverty can be described in one word, and that is "stupidity". Gorky

9, don't climb the mountain, I don't know the height of the sky; Don't face the deep valley, don't know the thickness of the ground; I didn't know the greatness of learning until I heard the last words of my late king. -Xun Kuang

10, everything should be down-to-earth, no fantasy, no waste of effort, just to make practical efforts with a true attitude. Learn with this attitude, and the truth will be clear; If you do things with this attitude, you will succeed. -Li Dazhao

1 1 Repetition is the mother of learning. -Dietzgen

12, only knowledge is power, only knowledge can make us honestly love others, respect people's labor, and sincerely appreciate the beautiful results of uninterrupted great labor; Only knowledge can make us strong-willed, honest and rational people. Gorky

13, learning and doing are inherently related. If you study, you must think. You must do it when you figure it out. Only when you are doing it can you see whether you have really learned it. Otherwise, although there are many books, they will just become a dead pile. -Xie Juezai

14, ask if you don't understand, be virtuous if you don't learn. If you didn't see it, it would be ridiculous; See it without knowing it, although it is true; If you know what you are doing, you will be trapped. -Xun Kuang

15. Except for knowledge and learning, no power in the world can establish rule and authority in people's spirit and mind, and in people's thoughts, imagination, opinions and beliefs. bacon