Who really said it
If we are alone in the Universe, it sure seems like an awful waste of space
Wikiquote files this exact wording under Misattributed on its Carl Sagan page, calling it a paraphrase of a line Sagan himself credited to Thomas Carlyle. Opening his own statement as a panelist at a NASA symposium at Boston University on 20 November 1972, Sagan said that Carlyle, “upon thinking about the stars,” had said: “A sad spectacle. If they be inhabited, what a scope for misery and folly. If they be not inhabited, what a waste of space.” The phrasing people actually recognise is film dialogue — Ted Arroway’s “if it is just us… seems like an awful waste of space” in Contact (1997).
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