Believe in yourself. “You need to believe in yourself. Don’t waver. There will be people—and I’m talking about the vast majority of people, practically everybody you’ll ever meet—who just think in black-and-white terms. Most people see things the way the media sees them or the way their friends see them, and they think if they’re right, everyone else is wrong. So a new idea—a revolutionary new product or product feature—won’t be understandable to most people because they see things so black and white. Maybe they don’t get it because they can’t imagine it, or maybe they don’t get it because someone else has already told them what’s useful or good, and what they heard doesn’t include your idea. Don’t let these people bring you down. Remember that they’re just taking the point of view that matches whatever the popular cultural view of the moment is. They only know what they’re exposed to. It’s a type of prejudice, actually, a type of prejudice that is absolutely against the spirit of invention.”