"The only way of finding the limits of the possible is by going beyond them into the impossible."
"The greatest tragedy in mankind's entire history may be the hijacking of morality by religion."
"Any sufficiently advanced technology is indistinguishable from magic."
"It may be that our role on this planet is not to worship God - but to create him."
"We have to abandon the idea that schooling is something restricted to youth. How can it be, in a world where half the things a man knows at 20 are no longer true at 40 - and half the things he knows at 40 hadn't been discovered when he was 20?"
"If we have learned one thing from the history of invention and discovery, it is that, in the long run, and often in the short one, the most daring prophecies seem laughably conservative."