Carl Sagan Quotes - Page 18

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• Our concern for the future can be tested by how well we support our libraries.

  Carl Sagan

  Support, Library, Librarian

  Carl Sagan (2011). “Cosmos”, p.307, Ballantine Books

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• My parents were not scientists. They knew almost nothing about science. But in introducing me simultaneously to skepticism and to wonder, they taught me the two uneasily cohabiting modes of thought that are central to the scientific method.

  Carl Sagan

  Science, Two, Parent

  Carl Sagan (2011). “Demon-Haunted World: Science as a Candle in the Dark”, p.13, Ballantine Books

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• We are made of starstuff.

  Carl Sagan

  Stars, Science, Made

  Carl Sagan, Tom Head (2006). “Conversations with Carl Sagan”, p.62, Univ. Press of Mississippi

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• There is perhaps no better a demonstration of the folly of human conceits than this distant image of our tiny world.

  Carl Sagan

  Space, Earth Day, Tiny

  Carl Sagan, Ann Druyan (2011). “Pale Blue Dot: A Vision of the Human Future in Space”, p.29, Ballantine Books

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• The cosmos is full beyond measure of elegant truths; of exquisite interrelationships; of the awesome machinery of nature.

  Carl Sagan

  Cosmos, Machinery, Exquisite

  "Cosmos: A Personal Voyage". Episode 1: "The Shores of the Cosmic Ocean". TV Series, 1990.

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• There is every reason to think that in the coming years Mars and its mysteries will become increasingly familiar to the inhabitants of the Planet Earth.

  Carl Sagan

  Thinking, Years, Mars

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• It is all a matter of time scale. An event that would be unthinkable in a hundred years may be inevitable in a hundred million.

  Carl Sagan

  Years, May, Matter

  Carl Sagan (2011). “Cosmos”, p.98, Ballantine Books

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• What is called for is an exquisite balance between two conflicting needs: the most skeptical scrutiny of all hypotheses that are served up to us and at the same time a great openness to new ideas. If you are only skeptical, then no new ideas make it through to you. On the other hand, if you are open to the point of gullibility and have not an ounce of skeptical sense in you, then you cannot distinguish useful ideas from the worthless ones.

  Carl Sagan

  Hands, Ideas, Two

  "The Burden of Skepticism". The Skeptical Inquirer, Volume 12, Issue 1, www.csicop.org. Fall 1987.

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• By exploring other worlds we safeguard this one. By itself, I think this fact more than justifies the money our species has spent in sending ships to other worlds. It is our fate to live during one of the most perilous and, at the same time, one of the most hopeful chapters in human history.

  Carl Sagan

  Fate, Thinking, Other Worlds

  "Cosmos: A Personal Voyage". Documentary (1990 Update). Episode 13: "Who Speaks for Earth?", 1990.

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• Imagine we could accelerate continuously at 1 g-what we're comfortable with on good old terra firma-to the midpoint of our voyage, and decelerate continuously at 1 g until we arrive at our destination. It would take a day to get to Mars, a week and a half to Pluto, a year to the Oort Cloud, and a few years to the nearest stars.

  Carl Sagan

  Stars, Clouds, Years

  Carl Sagan (1994). “Pale Blue Dot: A Vision of the Human Future in Space”, Random House Incorporated

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• 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

  Book, Science, Technology

  Carl Sagan (2011). “Cosmos”, p.315, Ballantine Books

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• The prediction I can make with the highest confidence is that the most amazing discoveries will be the ones we are not today wise enough to foresee.

  Carl Sagan

  Wise, Discovery, Today

  Carl Sagan (2011). “Billions & Billions: Thoughts on Life and Death at the Brink of the Millennium”, p.49, Ballantine Books

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• The surface of the Earth is the shore of the cosmic ocean.

  Carl Sagan

  Ocean, Cosmos, Ankles

  Carl Sagan (2011). “Cosmos”, p.26, Ballantine Books

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• In the middle 1970s an astronomer I admire put together a modest manifesto called "Objections to Astrology" and asked me to endorse it. I struggled with his wording, and in the end found myself unable to sign, not because I thought astrology has any validity whatever, but because I felt (and still feel) that the tone of the statement was authoritarian.

  Carl Sagan

  Astrology, Atheism, Together

  Carl Sagan (2011). “Demon-Haunted World: Science as a Candle in the Dark”, p.388, Ballantine Books

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• With insufficient data it is easy to go wrong.

  Carl Sagan

  Data, Easy, Insufficient

  Carl Sagan (2011). “Cosmos”, p.118, Ballantine Books

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• It is the tension between creativity and skepticism that has produced the stunning and unexpected findings of science.

  Carl Sagan

  Creativity, Science, Unexpected

  Carl Sagan (2011). “Broca's Brain: Reflections on the Romance of Science”, p.73, Ballantine Books

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• The Earth is a very small stage in a vast cosmic arena. Think of the rivers of blood spilled by all those generals and emperors so that, in glory and triumph, they could become the momentary masters of a fraction of a dot. Think of the endless cruelties visited by the inhabitants of one corner of this pixel on the scarcely distinguishable inhabitants of some other corner, how frequent their misunderstandings, how eager they are to kill one another, how fervent their hatreds.

  Carl Sagan

  Humility, Thinking, Compassion

  Carl Sagan (1994). “Pale Blue Dot: A Vision of the Human Future in Space”, Random House Incorporated

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• Any civilization that doesn't develop space travel dies.

  Carl Sagan

  Civilization, Space, Space Travel

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• To read is to voyage through time.

  Carl Sagan

  Time, Voyages, Rough Times

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• A new consciousness is developing which sees the earth as a single organism and recognizes that an organism at war with itself is doomed. We are one planet.

  Carl Sagan

  War, Earth, Consciousness

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

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• My fundamental premise about the brain is that its workings - what we sometimes call "mind" - are a consequence of its anatomy and physiology, and nothing more.

  Carl Sagan

  Anatomy And Physiology, Brain, Mind

  Carl Sagan (2012). “Dragons of Eden: Speculations on the Evolution of Human Intelligence”, p.7, Ballantine Books

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• I'm only a four-dimensional creature. Haven't got a clue how to visualise infinity. Even Einstein hadn't. I know because I asked him

  Carl Sagan

  Four, Infinity, Clue

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• That we can now think of no mechanism for astrology is relevant but unconvincing. No mechanism was known, for example, for continental drift when it was proposed by Wegener. Nevertheless, we see that Wegener was right, and those who objected on the grounds of unavailable mechanism were wrong.

  Carl Sagan

  Thinking, Astrology, Example

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• If our long-term survival is at stake, we have a basic responsibility to our species to venture to other worlds. Sailors on a becalmed sea, we sense the stirring of a breeze.

  Carl Sagan

  Responsibility, Sea, Other Worlds

  Carl Sagan, Ann Druyan (2011). “Pale Blue Dot: A Vision of the Human Future in Space”, p.337, Ballantine Books

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• A book is proof that humans are capable of working magic.

  Carl Sagan

  Book, Magic, Cosmos

  "Cosmos: A Personal Voyage". Book by Carl Sagan, 1990.

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