1. In ancient times, there was a Confucius who said, "Learn and be sensitive, and you are not ashamed to ask questions." "Learning without thinking is useless, and thinking without learning is dangerous." 、

"Knowing is not as good as being good, and being good is not as good as being happy." "In a threesome, there must be a teacher, choose the good and follow it, and change it."

Today, Guo Moruo said, "We need not only giants in politics and culture, but also giants in natural science and other fields."

Cai Shangsi once said, "Cherish time, concentrate and study hard is a good way to learn."

Xie Juezai said: "Learning and doing are inherently related. If you study, you must think. You must do it when you figure it out. Only when you are doing it can you see whether you have really learned how to do it. Otherwise, although there are many books, they are just dead piles. "