Every one of us is, in the cosmic perspective, precious. If a human disagrees with you, let him live. In a hundred billion galaxies, you will not find another.
—Carl Sagan in Cosmos
About Carl Sagan
Carl Edward Sagan (; SAY-gən; November 9, 1934 – December 20, 1996) was an American astronomer, planetary scientist and science communicator. His best known scientific contribution is his research on the possibility of extraterrestrial life, including experimental demonstration of the production of amino acids from basic chemicals by exposure to...
More quotations from Carl Sagan
If you wish to make an apple pie from scratch, you must first invent the universe.
—Carl Sagan in Cosmos