Two-Child Debate Day, selected from Liezi Tang Wen edited by Lieyukou, is a fable classical Chinese with great educational significance. Confucius cannot judge who is right or wrong by arguing about the distance between the sun and people in the morning and noon, which shows that the two children are good at observing, reasoning and seeking truth from facts. That is: knowing is knowing, not knowing is not knowing, and knowing is also. -I hope I can help you and adopt it. Thank you. Come on!