2. Thinking begins with questions and surprises. ? Aristotle

It is more important to ask questions than to solve them. ? [Name] Albert Einstein (Jewish theoretical physicist)

There is no doubt that if you are a student, doubt will make progress, small doubt will make small progress, and big doubt will make great progress. ? Lu Jiuyuan Song

The problem is the midwife, which can help the birth of new ideas. ? Socrates

6, the ear has no bottom, you can hear it from morning till night. ? Africa

7. Curious people only make five kinds of fools; He who is ashamed to ask questions is a fool all his life. ? The lost name

8. Skepticism is an important part of scientific spirit. ? zhou guangzhao

9. People who are good at asking questions are like attacking wood. They are easy at first, then self-sufficient and long-lasting. People who are not good at asking questions are the opposite. ? Xue Ji

10, people who are good at doubting don't doubt what others doubt, and those who doubt don't doubt. ? Fang Yizhi

1 1, you can't see the truth without doubt. ? Li Siguang

12, people who don't ask will always be with ignorance. ? East Africa

13. It is an inevitable development stage for everyone with high ideological level to question customs from all aspects. ? Emerson

14, the key to all science, there is no question mark of objection. ? Balzac

15, those who study without doubt will be taught to have doubts, and those who have doubts will be taught to have no doubts. Only here can they make progress. ? Chu Hsi

16, scholars must be suspicious first. ? Yi Cheng

17, question, not question, can a real singer sing the silence in people's hearts? . ? Chai Jing

18. Doubt is the beginning of thinking and the end of learning. ? Confucius

19, the suspicious ones have never learned; Learning requires doubt. ? Zhang zai

20. In people's minds, there is a deep-rooted need to be a discoverer, researcher and explorer. This demand is especially strong in children's spiritual world. ? Suhomlinski