Carl Sagan Quotes - Page 6

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• It's hard to kill a creature once it lets you see its consciousness.

  Carl Sagan

  Vastness, Consciousness, Creatures

  Carl Sagan (1997). “Contact”, p.147, Simon and Schuster

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• Atoms are mainly empty space. Matter is composed chiefly of nothing.

  Carl Sagan

  Space, Atoms, Matter

  Carl Sagan (2011). “Cosmos”, p.243, Ballantine Books

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• But I could be wrong.

  Carl Sagan

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• We are not smart enough to decide which pieces of knowledge are permissible and which are not.

  Carl Sagan

  Smart, Pieces, Enough

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• Science ... looks skeptically at all claims to knowledge, old and new. It teaches not blind obedience to those in authority but to vigorous debate, and in many respects that's the secret of its success.

  Carl Sagan

  Secret, Looks, Old And New

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• An organism at war with itself is doomed.

  Carl Sagan

  War, Doomed, Organisms

  "Cosmos". TV Mini-Series, www.imdb.com. 1980.

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• A millennium before Europeans were willing to divest themselves of the Biblical idea that the world was a few thousand years old, the Mayans were thinking of millions and the Hindus billions.

  Carl Sagan

  Biblical, Thinking, Years

  "Cosmos". Book by Carl Sagan (p . 213 -214),

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• We began as wanderers, and we are wanderers still.

  Carl Sagan

  Cosmos, Stills, Wanderers

  Carl Sagan (2011). “Cosmos”, p.217, Ballantine Books

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• It's sometimes easier to reject strong evidence than to admit that we've been wrong, this is information about ourselves worth having.

  Carl Sagan

  Strong, Self Worth, Information

  Carl Sagan (2011). “Demon-Haunted World: Science as a Candle in the Dark”, p.315, Ballantine Books

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• We are rare and precious because we are alive, because we can think as well as we can. We are privileged to influence and perhaps control our future. I believe we have an obligation to fight for life on Earth - not just for ourselves, but for all those, humans and others, who came before us, and to whom we are beholden, and for all those who, if we are wise enough, will come after.

  Carl Sagan

  Wise, Believe, Fighting

  Carl Sagan (2011). “Billions & Billions: Thoughts on Life and Death at the Brink of the Millennium”, p.74, Ballantine Books

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• A celibate clergy is an especially good idea, because it tends to suppress any hereditary propensity toward fanaticism.

  Carl Sagan

  Atheist, Science, Ideas

  "Contact". Book by Carl Sagan. Chapter 14, p. 244, 1985.

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• But, Jefferson worried that the people - and the argument goes back to Thucydides and Aristotle - are easily misled. He also stressed, passionately and repeatedly, that it was essential for the people to understand the risks and benefits of government, to educate themselves, and to involve themselves in the political process. Without that, he said, the wolves will take over.

  Carl Sagan

  Government, People, Political

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• The difference between physics and metaphysics is not that the practitioners of one are smarter than the practitioners of the other. The difference is that the metaphysicist has no laboratory.

  Carl Sagan

  Differences, Physics, Laboratory

  Carl Sagan (2011). “Demon-Haunted World: Science as a Candle in the Dark”, p.64, Ballantine Books

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• It's a lazy Saturday afternoon, there's a couple lying naked in bed reading Encyclopediea Brittannica to each other, and arguing about whether the Andromeda Galaxy is more 'numinous' than the Ressurection. Do they know how to have a good time, or don't they?

  Carl Sagan

  Couple, Lying, Reading

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• Our ancestors lived out of doors. They were as familiar with the night sky as most of us are with our favorite television programs.

  Carl Sagan

  Night, Doors, Sky

  Carl Sagan, Ann Druyan (2011). “Pale Blue Dot: A Vision of the Human Future in Space”, p.32, Ballantine Books

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• Not all birds can fly. What separates the flyers from the walkers is the ability to take off.

  Carl Sagan

  Bird, Aviation, Flyers

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• Some racists still reject the plain testimony written in the DNA that all the races are not only human but nearly indistinguishable. . . .

  Carl Sagan

  Life, Race, Dna

  Carl Sagan (2011). “Demon-Haunted World: Science as a Candle in the Dark”, p.467, Ballantine Books

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• There are as many atoms in one molecule of DNA as there are stars in a typical galaxy.

  Carl Sagan

  Stars, Dna, Typical

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• Even Johannes Kepler, Isaac Newton, Charles Darwin, Gregor Mendel, and Albert Einstein made serious mistakes. But the scientific enterprise arranges things so that teamwork prevails: What one of us, even the most brilliant among us, misses, another of us, even someone much less celebrated and capable, may detect and rectify.

  Carl Sagan

  Teamwork, Mistake, Missing

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• Writing is perhaps the greatest of human inventions.

  Carl Sagan

  Reading, Writing, Cosmos

  Carl Sagan (2011). “Cosmos”, p.305, Ballantine Books

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• Valid criticism does you a favor.

  Carl Sagan

  Criticism, Doe, Favors

  Carl Sagan (2011). “Demon-Haunted World: Science as a Candle in the Dark”, p.57, Ballantine Books

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• You could just as well say that an agnostic is a deeply religious person with at least a rudimentary knowledge of human fallibility.

  Carl Sagan

  Religious, Agnostic, Wells

  Carl Sagan (1997). “Contact”, p.169, Simon and Schuster

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• There are no forbidden questions in science, no matters too sensitive or delicate to be probed, no sacred truths.

  Carl Sagan

  Matter, Sacred, Sensitive

  Carl Sagan (2011). “Demon-Haunted World: Science as a Candle in the Dark”, p.56, Ballantine Books

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• There are wonders enough out there without our inventing any.

  Carl Sagan

  Pain, Wonder, Injury

  Carl Sagan (2011). “Demon-Haunted World: Science as a Candle in the Dark”, p.89, Ballantine Books

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• We have heard the rationales offered by the nuclear superpowers. We know who speaks for the nations. But who speaks for the human species? Who speaks for Earth?

  Carl Sagan

  Nuclear, Earth, Speak

  Carl Sagan (2011). “Cosmos”, p.357, Ballantine Books

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