“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!”
Other Arthur C. Clarke Quotes
Sometimes I think we're alone in the universe, and sometimes I think we're not. In either case the idea is quite staggering.
Arthur C. Clarke 
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Any sufficiently advanced technology is indistinguishable from magic.
Arthur C. Clarke
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I don't believe in astrology; I'm a Sagittarius and we're skeptical.
Arthur C. Clarke
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It may be that our role on this planet is not to worship God - but to create him.
Arthur C. Clarke
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It has yet to be proven that intelligence has any survival value.
Arthur C. Clarke
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