Before the invention of microscope, people did not know about cells and bacteria. with this in mind, why do you think many questions go unanswered and unasked

Long ago, the microscope is not yet invented so people did not know about cells, bacteria and other minute organism. With this, we can conclude that many questions go unanswered and unasked because of the lack of technology. Moreover, valuable invention has opened the mind of the people to become curious on what is around and how life works in this world.