The dinosaurs became extinct because they didn't have a space program.

I love superconductors.

Intelligence is just a tool to be used toward a goal, and goals are not always chosen intelligently.

The Product of Freedom and Security is a constant (F X S = k). Giving up freedom for security is beginning to look naive.

Never tell a computer to forget it.

There were timelines branching and branching, a mega-universe of universes, millions more every minute. Billions? Trillions? The universe split every time someone made a decision. Split, so that every decision ever made could go both ways. Every choice made by every man, woman, and child was reversed in the universe next door.

One mark of a good officer, he remembered, was the ability to make quick decisions. If they happen to be right, so much the better.