Aristotle: I love my teacher, and I love truth even more. Galileo still murmured after the verdict: But the earth is still rotating! Newton: I don’t know what the world thinks, but in my own opinion, I am just a child playing on the beach, and from time to time I feel happy to find a smoother and more beautiful pebble and shell in front of me than others. The ocean of truth is a complete mystery. Li Dazhao: There are all kinds of phenomena in the universe. It is extremely difficult for one person's wisdom to understand the reality of everything. 2 Criticism Einstein: In terms of truth and knowledge, anyone who considers himself an authority will surely collapse in the mockery of God! Einstein: Newton, please forgive me; the path you discovered was, in your time, the only path that a man with the highest thinking ability and creativity could discover. The concepts you created still guide our thinking in physics even today, although we now know that if we want to understand the connections more deeply, we must replace them with other concepts that are further away from the realm of direct experience. . " 3 Dedicated to science. When Marie Curie recalled the four years of living in a simple shack, she said: "We had no money and no laboratory... It was like creating something out of nothing. ...However, the best and happiest years of our lives were spent in this simple old shack." Marie Curie: "Like other scientists, I firmly believe that science is a very good cause. , and are ready to dedicate everything to it. I believe that the love of the unknown and the pursuit of adventure in science cannot lead to the decline of our era. On the contrary, I believe that this is the only hope for social progress. "Marx: At the entrance to science, just like at the entrance to hell, this requirement must be made: here all hesitation must be eradicated; here no cowardice will help. 4. Social boundaries Newton: If I see farther than others , that’s because I stand on the shoulders of giants. Planck: A real scientist does not like the public’s enthusiastic applause and cheers. A great scientist is always a shy person in social life. Heisenberg: Scientists in society. When working, scientists should be affable, but not enthusiastic about communication; after work, scientists should be sociable, but not overly intimate; When scientists strive to gain support for their ideas from others, they can use means, but not cunning