I know where I'm going and I know the truth, and I don't have to be what you want me to be. I'm free to be what I want.
But as an entrepreneur you have to feel like you can jump out of an aeroplane because you're confident that you'll catch a bird flying by. It's an act of stupidity, and most entrepreneurs go splat because the bird doesn't come by, but a few times it does.
Succeeding is not really a life experience that does that much good. Failing is a much more sobering and enlightening experience.