The original sentence: "There is no doubt that when you are a student, you will make progress only if you doubt, only if you doubt a little, and only if you doubt a lot." From Lu Jiuyuan's Collection of Quotations, a famous scholar in the Song Dynasty, it means: if you study, you may not find problems, but you can make progress by learning with problems. That is to say, it is often said that "learning is expensive and doubtful", "it is better to read a dead book than not to learn", "applying what you have learned" and "learning to solve doubts".
Extended data:
This is a question of learning attitude. The author believes that learning should constantly ask questions, learn with questions and grow. This is correct. Because, there is a problem, there is no understanding, there is a defect in knowledge mastery, and there is also a demand for solving problems and a desire to keep learning.
Through consultation and reading, the problem is solved, learning will definitely improve, and knowledge will definitely continue to improve. If there is no doubt, if there is no desire to ask questions, then learning is stagnant and there is no progress. This is the enemy of scholars. Scholars should remember that "doubt leads to progress".