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

"If one ox could not do the job they did not try to grow a bigger ox, but used two oxen. When we need greater computer power, the answer is not to get a bigger computer, but... to build systems of comp…"

"I'm just a little old lady who happens to be a computer scientist."

"There are two things that are hard in computer science: cache invalidation, naming things, and off-by-one errors."

"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.'"