1. Thinking starts with questions and surprises. ——Aristotle

2. Raising questions is more important than solving them. ——Einstein

3. A person who is eager to ask questions is only five kinds of fools; a person who is ashamed to ask questions will be a fool for life. ——Anonymous

4. Problems are midwives, they can help the birth of new ideas. ——Socrates

6. Question, rather than question, "A true singer can sing out the silence in people's hearts." ——Chai Jing

5. Deep in the human soul, there is a deep-rooted need, which is to hope that oneself is a discoverer, researcher, and explorer. In the spiritual world of children, this need is particularly strong. ——Suhomlinsky

6. Questioning is the first step towards philosophy. —— Diderot

7. You cannot see the truth without doubt. ——Li Siguang

8. People who don’t ask will always be together with ignorance. ——East Africa

9. Questioning customs from all aspects is an inevitable stage of development for every person with a high level of thinking. ——Emerson

10. The key to all science is undoubtedly the question mark.

——Balzac