Imagine if Copernicus was superstitious about books and didn't have the courage to doubt and criticize the unrealistic authoritative geodynamics theory that has always been regarded as sacred and inviolable. Can he create a great geodynamics theory that caused an unprecedented revolution in the history of science and had a far-reaching impact on human thought? If Zu Chongzhi "pseudo-pushed the ancients" and did not dare to doubt and overthrow the stale theories and wrong conclusions of his predecessors, could he still make outstanding contributions to Pi and the Ming calendar and become a great mathematician? Doubt is indispensable.

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