The universe is infinite, and human understanding of the universe is very small compared with the universe. As long as the universe is infinite, we humans still have many things we don't know, just as primitive people are stupid and ignorant today. If mankind develops to the next 100, 1000, 1000000, I believe we are stupid by analogy. The same is true in 2008, so as long as there is no end to time, there will always be a lot of unknown knowledge and exploration, such as Columbus' discovery of the new world, Newton's apples and so on. As long as the universe is infinite, human beings have many blind spots, so there is human relative stupidity, hehe.