The rash assertion that "God made man in His own image" is ticking like a time bomb at the foundation of many faiths.
Arthur C. ClarkeThe phenomenon of UFO doesn't say anything about the presence of intelligence in space. It just shows how rare it is here on the earth.
Arthur C. ClarkeCivilization will reach maturity only when it learns to value diversity of character and of ideas.
Arthur C. ClarkeThe crossing of space ... may do much to turn men's minds outwards and away from their present tribal squabbles. In this sense, the rocket, far from being one of the destroyers of civilisation, may provide the safety-value that is needed to preserve it.
Arthur C. ClarkeIn fact, one of the arguments for searching for intelligent life in space, elsewhere, is that we have no evidence that intelligence has any survival value. The most successful creatures on this planet are the cockroaches. They've been around, what is it, 100 million years or so and I suspect they'll still be there 100 million years in the future. Maybe intelligence is an evolutionary aberration which dooms its possessors in the way armor may have doomed some of the dinosaurs.
Arthur C. Clarke