“I know the difference between what I can't do and what I refuse to do.”
“What's genius? I don't know but I do know that the difference between a madman and a professional is that a pro does as well as he can within whathe has set out to do and a madman does exceptionally well at what he can't help doing.”
“Do you know what I've done? What I would do again if given the chance —to you? What I enjoy doing? I can't stop. It's what I am." - X-10”
“Do you know what the difference is between knowing a bird and knowing about a bird?”
“What I can do, I will do. What I can't do, I will surrender to the one that can.”
“I wanted, but I refused to take.Now I resent, what I do not have.”