Teaching fish to swim is a famous saying of Lichehoff: "Puppies should not panic because of the existence of big dogs. All dogs should bark loudly-just cheer loudly according to the voice given by God. " We are not dogs, but more advanced humans. So for us, it is not just a few phone calls that can solve the problem. We should "call" with the thoughts endowed by nature so that people all over the world can hear it. The so-called "big dog" naturally refers to authority, and challenging authority is tantamount to teaching fish to swim. However, is it really worth laughing at teaching fish to swim? I said, of course not! Not only can't you laugh, but you want to "teach fish to swim". First of all, it's not too much teaching fish to swim. If society wants to make progress and human beings want to develop, we should not only rely on the thoughts and achievements of our predecessors, but should actively think and make bold innovations. If a person has made new development or created a new theory, but he dare not challenge authority, dare not face the gossip of the world, dare not show his ugliness and dare not look back, then the development of human civilization will go backwards for many years. Imagine, if Galileo chickened out and gave up the idea of going to the Leaning Tower of Pisa to do a double-ball falling experiment, how many years would Aristotle's wrong remarks rule? What would happen to the progress of human astronomy if Copernicus was afraid of the suppression of church forces and dared not publish Heliocentrism's paper? Without these people who dare to teach others to swim, it will be difficult for society to progress. Secondly, "playing with axes" should be "playing with doors". Even if we have more discoveries and creations, even if we are sure of our correctness and don't discuss with the master, there is no way to convince others (including the master himself). The poet Li Bai said: "I am a madman of the Chu people and sang a crazy song arguing with Confucius."