A child blind from birth doesn't even know he's blind until someone tells him. Even then he has only the most academic idea of what blindness is; only the formerly sighted have a real grip on the thing. Ben Hanscom had no sense of being lonely because he had never been anything but. If the condition had been new, or more localized, he might have understood, but loneliness both encompassed his life and overreached it.
Stephen KingWhen we blew the first atomic bomb at White Sands near the end of the war, nobody knew what was going to happen. There was a theory that the chain reaction would continue forever. And we would have created a little tiny sun out there in the desert that would burn until the end of the universe. It wasn't a widely held theory but it was a theory that nobody had a way of disproving. There were people who thought it wouldn't go off at all, that it would simply sit out there and melt and produce a great big dirty cloud of radioactivity. Nobody knew.
Stephen King