You don’t know everything, even though the Internet is good at making us think we do. The path to learning starts when we accept that we don’t know much.
There are things we need to know. There are things we don’t need to know. Discerning between the two is something called selective ignorance. Take a look.
“This photographic thing has changed the entire vision of the world. It will go through every activity of humanity — science, medicine, space, ESP, for peace, against peace, entertainment, television, movies, all of them — you will not find one […]