We think the Mac will sell zillions but we didn't build the Mac for anybody else. We built it for ourselves. We were the group of people who were going to judge whether it was great or not. We weren't going to go out and do market research. We just wanted to build the best thing we could build.
The best executive is one who has sense enough to pick good people to do what he wants done and self-restraint enough to keep from meddling with them while they do it.