"I'm not a computer scientist. I'm a mathematician. I just happen to work with computers."

"Humans are allergic to change. They love to say, 'We've always done it this way.' I try to fight that. That's why I have a clock on my wall that runs counter-clockwise."

"I've always been more interested in the future than in the past."

"The greatest contribution that computers make is to free us from routine work."

"We're all going to be replaced by a computer. You'll be sitting around and the computer will say, 'Oh, I'm sorry, you're not needed today.'"