A Muggle philosopher once said this: the human mind was like an uneven mirror. When natural light struck its surface, it would refract or distort, and our understanding, like that distorted light, distorted the essence of things.
In fact, before all manner of monsters appeared, humans had already formed groups with shared interests for the sake of hunting and painted hunting scenes on cave walls. Sometimes creatures appeared that did not exist in the discoverers' world, such as saber-toothed tigers and mammoths. The discoverers believed those animals had never existed at all and were inventions of ancient imagination.
The ancient Greek people once imagined that celestial bodies moved in circular orbits, yet according to their own understanding, they believed the Earth was not round but flat.
There were many things that temporarily exceeded human understanding, and what constrained humanity was not a lack of knowledge or wisdom. When a child said that the emperor wore no clothes, would people really laugh at the emperor as they did in fairy tales, or would the parents cover the child's mouth and tell him not to talk nonsense?
Those locked in a cave from childhood could see only the cave wall before them. Bound by chains, they believed shadows were the only real things in the world. To leave the cave, they first had to break free of those chains, and unfortunately, the chains were difficult to escape.
The world inside that cave was called "normal," while the world outside left him dizzy and bewildered. He suspected that, like someone with schizophrenia, he was hallucinating. If he returned to his original world and told his companions what he had seen, they would think he was babbling nonsense and refuse to believe him. They would bind him again, force him to believe like everyone