It does no harm to the romance of the sunset to know a…

“My main reason for scepticism about the Huxley/Sagan theory is that the human brain is demonstrably eager to see faces in random patterns, as…

— Richard Dawkins

“Para criaturas pequenas como nós, a vastidão só é suportável através do amor.”

— Carl Sagan

“One consequence of this train of argument is that, even if civilizations commonly arise on planets throughout the Galaxy, few of them will be…

— Carl Sagan

“CARL SAGAN SAID that if you want to make an apple pie from scratch, you must first invent the universe. When he says “from…

— Nicola Yoon

“Just as there are those who accept every UFO report at face value, there are also those who dismiss the idea of alien visitation…

— Carl Sagan

“We are alive and we resonate with idea of life elsewhere, but only careful accumulation and assessment of the evidence can tell us whether…

— Carl Sagan

“I promise to question everything my leaders tell me. I promise to use my critical faculties. I promise to develop my independence of thought.…

— Carl Sagan

“Planetary exploration satisfies our inclination for great enterprises and wanderings and quests that has been with us since our days as hunters and gatherers…

— Carl Sagan

“The scope and audacity of John Kennedy’s May 25, 1961, message to a joint session of Congress on “Urgent National Needs”—the speech that launched…

— Carl Sagan

“I don't think science is hard to teach because humans aren't ready for it, or because it arose only through a fluke, or because,…

— Carl Sagan

“Can you be sure that others have not come before you and destroyed the pristine state of the native myth? Can you be sure…

— Carl Sagan

“Billions of years from now our sun, then a distended red giant star, will have reduced Earth to a charred cinder. But the Voyager…

— Carl Sagan

“When my husband died, because he was so famous and known for not being a believer, many people would come up to me-it still…

— Ann Druyan

Those at too great a distance may, I am well are, mistake ignorance for perspective.

— Carl Sagan

“Carl Sagan said we are all made of stardust. She was made of book dust.”

— Michael Guillebeau