Some Arthur C. Clarke quotes:
Any sufficiently advanced technology is indistinguishable from magic.
Human judges can show mercy. But against the laws of nature, there is no appeal.
I don't believe in astrology; I'm a Sagittarius and we're skeptical.
I don't believe in God but I'm very interested in her.
I don't pretend we have all the answers. But the questions are certainly worth thinking about.
If an elderly but distinguished scientist says that something is possible, he is almost certainly right; but if he says that it is impossible, he is very probably wrong.
It is not easy to see how the more extreme forms of nationalism can long survive when men have seen the Earth in its true perspective as a single small globe against the stars.
New ideas pass through three periods:
1) It can't be done.
2) It probably can be done, but it's not worth doing.
3) I knew it was a good idea all along!
Sometimes I think we're alone in the universe, and sometimes I think we're not. In either case the idea is quite staggering.
The greatest tragedy in mankind's entire history may be the hijacking of morality by religion.
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?