There is a special sadness in achievement, in the knowledge that a long-desired goal has been attained at last, and that life must now be shaped toward new ends.
Arthur C. ClarkeIf there are any gods whose chief concern is man, they can't be very important gods.
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. Clarke