1, the key to science is undoubtedly a question mark. -Li Siguang
2, sensitive and eager to learn, not ashamed to ask questions. -Confucius
Li Siguang, a famous scientist, famously said, "Without doubt, you can't see the truth."
Mencius said, "It is better to believe in books than to have no books."
5. Zhu, a poet in Song Dynasty, said: "Those who learn without doubt must be taught to have doubts, and those who have doubts must have doubts. Only when they get here can they make progress. " Chen Xianzhang, an Amin scholar, said: "The predecessors said that learning is expensive and there are doubts, small doubts mean small progress, and big doubts mean great progress. Skeptics have a chance to realize. Some enlightenment, some progress. "
We should critically absorb the culture of the past.
Mao Zedong
Those great men have been questioning and exploring all their lives.
-Bondarev