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Carl Sagan quotes
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(68)
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“if we've been bamboozled long enough, we tend to reject any evidence of the bamboozle. We're no longer interested in finding out the truth. The bamboozle has captured us. It's simply too painful to acknowledge, even to ourselves, that we've been...”
Carl Sagan
,
The Demon-Haunted World
“absence of evidence is not evidence of absence.”
Carl Sagan
,
The Demon-Haunted World
“You have to know the past to understand the present.”
Carl Sagan
,
Cosmos
“Imagination will often carry us to worlds that never were. But without it, we go nowhere.”
Carl Sagan
,
Cosmos
“If you wish to make an apple pie from scratch, you must first invent the universe.”
Carl Sagan
,
Cosmos
“The nitrogen in our DNA, the calcium in our teeth, the iron in our blood, the carbon in our apple pies were made in the interiors of collapsing stars. We are made of starstuff.”
Carl Sagan
,
Cosmos
“We make our world significant by the courage of our questions and by the depth of our answers.”
Carl Sagan
,
Cosmos
“We've arranged a global civilization in which most crucial elements . . . profoundly depend on science and technology. We have also arranged things so that almost no one understands science and technology. This is a prescription for disaster.”
Carl Sagan
,
The Demon-Haunted World
“Your religion assumes that people are children and need a boogeyman so they'll behave.”
Carl Sagan
,
Contact
“Writing is perhaps the greatest of human inventions, binding together people, citizens of distant epochs, who never knew one another. Books break the shackles of time, proof that humans can work magic.”
Carl Sagan
,
Cosmos
“We have loved the stars too fondly to be fearful of the night.”
Carl Sagan
,
Cosmos
“We are like butterflies who flutter for a day and think it is forever.”
Carl Sagan
,
Cosmos
“The visions we offer our children shape the future.”
Carl Sagan
,
Pale Blue Dot
“Science is not only compatible with spirituality; it is a profound source of spirituality.”
Carl Sagan
,
The Demon-Haunted World
“But science is a self-correcting enterprise. To be accepted, all new ideas must survive rigorous standards of evidence.”
Carl Sagan
,
Cosmos
“It does no harm to the romance of the sunset to know a little bit about it.”
Carl Sagan
,
Pale Blue Dot
“Across the sea of space the stars are other suns.”
Carl Sagan
,
Cosmos
“Look again at that dot. That's here. That's home. That's us. On it everyone you love, everyone you know, everyone you ever heard of, every human being who ever was, lived out their lives.”
Carl Sagan
,
Pale Blue Dot
“Books permit us to voyage through time, to tap the wisdom of our ancestors. ”
Carl Sagan
,
Cosmos
“Every star may be a sun to someone.”
Carl Sagan
,
Cosmos
“it is undesirable to believe a proposition when there is no ground whatever for supposing it true.”
Carl Sagan
,
Contact
“If I finish a book a week, I will read only a few thousand books in my lifetime, about a tenth of a percent of the contents of the greatest libraries of our time. The trick is to know which books to read.”
Carl Sagan
,
Cosmos
“the history of science . . . teaches that the most we can hope for is successive improvement in our understanding, learning from our mistakes, an asymptotic approach to the Universe, but with the proviso that absolute certainty will always elude us.”
Carl Sagan
,
The Demon-Haunted World
“Nature's a lot better at inventing wonders than we are.”
Carl Sagan
,
Contact
“Avoidable human misery is more often caused not so much by stupidity as by ignorance, particularly our ignorance about ourselves.”
Carl Sagan
,
The Demon-Haunted World
“If a human disagrees with you, let him live. In a hundred billion galaxies, you will not find another.”
Carl Sagan
,
Cosmos
“nature is always more subtle, more intricate, more elegant than what we are able to imagine.”
Carl Sagan
,
The Demon-Haunted World
“There are no forbidden questions in science, no matters too sensitive or delicate to be probed, no sacred truths.”
Carl Sagan
,
The Demon-Haunted World
“The truth may be puzzling or counterintuitive. It may contradict deeply held beliefs. Experiment is how we get a handle on it.”
Carl Sagan
,
The Demon-Haunted World
“It is said that men may not be the dreams of the gods, but rather that the gods are the dreams of men.”
Carl Sagan
,
Cosmos
“We grow up in isolation. Only slowly do we teach ourselves the Cosmos.”
Carl Sagan
,
Cosmos
“the cure for a fallacious argument is a better argument, not the suppression of ideas.”
Carl Sagan
,
The Demon-Haunted World
“Any faith that admires truth, that strives to know God, must be brave enough to accommodate the universe.”
Carl Sagan
,
Contact
“in science there are no authorities; at most, there are experts.”
Carl Sagan
,
The Demon-Haunted World
“Isn't a gram of observation worth a ton of theory? ”
Carl Sagan
,
Contact
“Cosmos is a Greek word for the order of the universe. It is, in a way, the opposite of Chaos.”
Carl Sagan
,
Cosmos
“Atoms are mainly empty space. Matter is composed chiefly of nothing.”
Carl Sagan
,
Cosmos
“It's hard to kill a creature once it lets you see its consciousness.”
Carl Sagan
,
Contact
“It's a lazy Saturday afternoon, and there's this couple lying naked in bed reading the Encyclopaedia Britannica to each other, and arguing about whether the Andromeda Galaxy is more 'numinous' than the Resurrection. Do they know how to have a...”
Carl Sagan
,
Contact
“There are wonders enough out there without our inventing any.”
Carl Sagan
,
The Demon-Haunted World
“Religions are often the state-protected nurseries of pseudoscience”
Carl Sagan
,
The Demon-Haunted World
“When we look up at night and view the stars, everything we see is shining because of distant nuclear fusion.”
Carl Sagan
,
Cosmos
“We have examined the universe in space and seen that we live on a mote of dust circling a humdrum star in the remotest corner of an obscure galaxy.”
Carl Sagan
,
Cosmos
“These infinities represent an unending regress that goes on not just very far, but forever.”
Carl Sagan
,
Cosmos
“The universe seems neither benign nor hostile, merely indifferent to the concerns of such puny creatures as we.”
Carl Sagan
,
Cosmos
“Modern science has been a voyage into the unknown, with a lesson in humility waiting at every stop. Many passengers would rather have stayed home.”
Carl Sagan
,
Pale Blue Dot
“It is essential as a matter of simple survival for us to understand science. In addition, science is a delight; evolution has arranged that we take pleasure in understanding—those who understand are more likely to survive.”
Carl Sagan
,
Cosmos
“Where are the cartographers of human purpose? Where are the visions of hopeful futures, of technology as a tool for human betterment and not a gun on hair trigger pointed at our heads?”
Carl Sagan
,
Pale Blue Dot
“For me, it is far better to grasp the Universe as it really is than to persist in delusion, however satisfying and reassuring.”
Carl Sagan
,
The Demon-Haunted World
“Thus all of the books in the world contain no more information than is broadcast as video in a single large American city in a single year. Not all bits have equal value.”
Carl Sagan
,
Cosmos
view all 68 quotes
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nature
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Related sources
Cosmos
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