Carl Sagan Quotes
Imagination will often carry us to worlds that never were. But without it we go nowhere.
Sagan, Carl. Cosmos. Random House, 1980, p. 147.
This was one of Robert Kennedy’s favorite quotes. Though his version is unique, the original idea comes from the book, Back to Methuselah. See George Bernard Shaw. {642128} The great American Scientist, J. Robert Oppenheimer, had expressed a variant of the idea in {639985} .
Carl Edward Sagan was an American astronomer, planetary scientist, cosmologist, astrophysicist, astrobiologist, author, and science communicator. His best known scientific contribution is research on extraterrestrial life, including experimental demonstration of the production of amino acids from basic chemicals by radiation. Sagan assembled the first physical messages sent into space: the Pioneer plaque and the Voyager Golden Record, universal messages intended to be understood by any extraterrestrial intelligence that might find them.