Sagan delivered this quote during the symposium on "Life Beyond Earth and the Mind of Man", held at Boston University (20 November 1972), published in Life Beyond Earth and the Mind of Man (1973) edited by Richard Berendzen; Life Beyond Earth and the Mind of Man (1975) National Archives video
More quotes by Carl Sagan
Human history can be viewed as a slowly dawning awareness that we are members of a larger group.
If you wish to make an apple pie from scratch, you must first invent the universe.
As the ancient myth makers knew, we are children equally of the earth and the sky.
For small creatures such as we the vastness is bearable only through love.
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Her blue eyes sought the west afar,
For lovers love the western star.
Einstein's space is no closer to reality than Van Gogh's sky.
Attribution
Quote text and notes from Wikiquote: Carl Sagan (page history), available under CC BY-SA 4.0. Source quality and labels are our own summary of what Wikiquote records.