"Life was simple before World War II. After that, we had systems."

"You can't just teach people to do things. You have to teach them to think."

"I never met a computer I didn't like."

"The only phrase I've ever disliked is, 'Why, we've always done it that way.' I always tell young people, 'Go ahead and do it. You can always apologize later.'"

"I am now going to make you a gift that will stay with you the rest of your life. For the rest of your life, every time you say, 'We've always done it that way,' my ghost will appear and haunt you for …"