If you don't know, ask. If you don't learn, you won't be virtuous. 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

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

Everything should be down-to-earth, not daydreaming, not in vain, and down-to-earth. Learn with this attitude, and the truth will be clear; If you do things with this attitude, you will succeed. -Li Dazhao

When it comes to learning methods, I want to sum them up in six words: "Strict, earnest and rigorous." This scientific learning method, in addition to learning from others, is more important to rely on their own conscious hard exercise. -sue

There are three ways to read, namely, heart, eyes and mouth. The heart is not here, the eyes don't look closely, the heart is not single-minded, it can only read, never remember, and it won't last long. Of the three, the heart is the most urgent. -Zhu

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

If you want to read a good book, you must first lay a good foundation and read a good foundation before you can study individual problems on this basis. The range of basic requirements is wide and the range of learning requirements is deep. The breadth and depth are also unified. Only breadth can be deep, and only depth can be breadth. -Wu Han

Independent thinking ability is an essential ability for scientific research and invention. Any important scientific creation and invention in history cannot be separated from the inventor's independent and in-depth solution to the problem. -Hua

The question of knowledge is a scientific one, and it can't be hypocritical and arrogant, but what determines it is the opposite-an honest and humble attitude. Mao Zedong