"So next time someone complains that you made a mistake, tell him that may be a good thing. Because without imperfection, neither you nor I would exist."

"The universe is a symphony of mathematical harmonies."

"I don't think anyone would take me f---ing seriously if I sounded like that."

"Women. They are a complete mystery."

"The downside of my celebrity is that I cannot go anywhere in the world without being recognized. It is not enough for me to wear dark sunglasses and a wig. The wheelchair gives me away."