Quotes about doubt and learning:

1. Scholars must first understand doubt.

2. We must critically absorb past culture.

3. Those big men have been doubting and exploring all their lives.

4. The key to opening the door to science is undoubtedly a question mark.

5. Smart and eager to learn, and not ashamed to ask questions.

6. Without doubt, you cannot see the truth.

7. It is better to have no book at all than to believe in the book.

8. Those who have no doubts in reading must be taught to have doubts, and those who have doubts must have no doubts. Only here can they make progress.

9. The predecessors said that learning is valuable and there is doubt. A small doubt will lead to small progress, and a big doubt will lead to great progress. Doubts are the opportunity for enlightenment. A moment of enlightenment, a moment of progress.

10. Whenever you have doubts, think about them carefully. Think carefully and then talk about them, which will be beneficial.

11. Doubt is not a shortcoming. Always doubting and never making judgments is the shortcoming.

12. Those who do not doubt when there is doubt have never learned; learning requires doubt.

13. You cannot see the truth without doubt, so I hope everyone will adopt a skeptical attitude and not be overwhelmed by established doctrines.