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Carl Sagan Quotes | "The absence of evidence is not the evidence of absence."

Carl Sagan

Carl Sagan (1934-1996) was an American astronomer, astrophysicist, cosmologist, author, and science communicator. He was born on November 9, 1934, in Brooklyn, New York. Sagan played a significant role in popularizing science and making complex scientific concepts accessible to the general public. His ability to explain scientific ideas in a captivating and engaging manner made him a beloved figure worldwide.

Sagan earned a Ph.D. in astronomy and astrophysics from the University of Chicago in 1960. Throughout his career, he made important contributions to various fields, including planetary science, exobiology (the study of extraterrestrial life), and the search for extraterrestrial intelligence (SETI).

One of Sagan's most notable accomplishments was his involvement in NASA's Voyager mission in the late 1970s. He served as a member of the imaging team and played a pivotal role in designing the "Golden Record" carried by the Voyager spacecraft. The record contained sounds and images from Earth, intended to represent humanity and provide information about our planet to potential extraterrestrial civilizations.

Sagan's impact extended beyond his scientific research. He was a prolific author, publishing numerous books that became bestsellers. His most famous work, "Cosmos: A Personal Voyage," was also adapted into a highly popular television series. Sagan's ability to combine scientific rigor with poetic and philosophical reflections made his writings and presentations captivating for a wide audience.

In addition to his scientific and literary contributions, Sagan was an advocate for critical thinking, skepticism, and scientific literacy. He emphasized the importance of evidence-based reasoning and the scientific method in understanding the natural world.

Sadly, Carl Sagan passed away on December 20, 1996, in Seattle, Washington, at the age of 62. However, his legacy lives on through his influential work and the impact he had on science communication and popularizing astronomy and astrophysics. He remains an enduring figure in the scientific community and continues to inspire curiosity and wonder about the universe.

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Carl Sagan Quotes


Carl Sagan Quotes

  1. "Somewhere, something incredible is waiting to be known."

  2. "We are star stuff which has taken its destiny into its own hands."

  3. "Extraordinary claims require extraordinary evidence."

  4. "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."

  5. "The universe is a pretty big place. If it's just us, seems like an awful waste of space."

  6. "We are like butterflies who flutter for a day and think it is forever."

  7. "We live in a society exquisitely dependent on science and technology, in which hardly anyone knows anything about science and technology."

  8. "For small creatures such as we, the vastness is bearable only through love."

  9. "Science is a way of thinking much more than it is a body of knowledge."

  10. "The beauty of a living thing is not the atoms that go into it, but the way those atoms are put together."

  11. "Imagination will often carry us to worlds that never were. But without it, we go nowhere."

  12. "Every one of us is, in the cosmic perspective, precious."

  13. "Science is not only compatible with spirituality; it is a profound source of spirituality."

  14. "We can judge our progress by the courage of our questions and the depth of our answers, our willingness to embrace what is true rather than what feels good."

  15. "The universe seems neither benign nor hostile, merely indifferent."

  16. "When you make the finding yourself, even if you're the last person on Earth to see the light, you'll never forget it."

  17. "The absence of evidence is not the evidence of absence."

  18. "A book is made from a tree. It is an assemblage of flat, flexible parts (still called "leaves") imprinted with dark pigmented squiggles. One glance at it and you hear the voice of another person, perhaps someone dead for thousands of years. Across the millennia, the author is speaking, clearly and silently, inside your head, directly to you."

  19. "The sky calls to us. If we do not destroy ourselves, we will one day venture to the stars."

  20. "We are a way for the cosmos to know itself."

  21. "The universe is not required to be in perfect harmony with human ambition."

  22. "The beauty of a living thing is not the atoms that go into it, but the way those atoms are put together."

  23. "Skeptical scrutiny is the means, in both science and religion, by which deep insights can be winnowed from deep nonsense."

  24. "The universe is a grand book which cannot be read until one first learns to comprehend the language and become familiar with the characters in which it is composed."

  25. "In the fabric of space and in the nature of matter, as in a great work of art, there is, written small, the artist's signature."

  26. "We are all connected to each other, biologically; to the earth, chemically; to the rest of the universe, atomically."

  27. "If you want to make an apple pie from scratch, you must first create the universe."

  28. "Books break the shackles of time, proof that humans can work magic."

  29. "I can't help but think that somewhere in the universe there has to be something better than man."

  30. "When we leave the Earth, we will rely on machines to be our eyes and ears, to sense the environment."

  31. "The cosmos is within us. We are made of star-stuff. We are a way for the universe to know itself."

  32. "Science is not only compatible with spirituality; it is a profound source of spirituality."

  33. "For me, it is far better to grasp the Universe as it really is than to persist in delusion, however satisfying and reassuring."

  34. "If you wish to make an apple pie from scratch, you must first invent the universe."

  35. "Understanding is a kind of ecstasy."

  36. "The Earth is a very small stage in a vast cosmic arena."

  37. "We've arranged a global civilization in which most crucial elements profoundly depend on science and technology."

  38. "The universe is not required to be in perfect harmony with human aspirations."

  39. "Imagination will often carry us to worlds that never were. But without it, we go nowhere."

  40. "The cosmos is all that is, or ever was, or ever will be."

  41. "We are star stuff harvesting star light."

  42. "Our species needs, and deserves, a citizenry with minds wide awake and a basic understanding of how the world works."

  43. "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."

  44. "We make our world significant by the courage of our questions and the depth of our answers."

  45. "When you're in love, you want to tell the world."

  46. "If we long to believe that the stars rise and set for us, that we are the reason there is a Universe, does science do us a disservice in deflating our conceits?"

  47. "In the vastness of space and the immensity of time, it is my joy to share a planet and an epoch with Annie."

  48. "Extinction is the rule. Survival is the exception."

  49. "The size and age of the Cosmos are beyond ordinary human understanding. Lost somewhere between immensity and eternity is our tiny planetary home."

  50. "Every one of us is, in the cosmic perspective, precious."

  51. "The wonders of the Cosmos are revealed in the tiniest, simplest things."

  52. "Who are we? We find that we live on an insignificant planet of a humdrum star."

  53. "The beauty of a living thing is not the atoms that go into it, but the way those atoms are put together."

  54. "It pays to keep an open mind, but not so open your brains fall out."

  55. "The universe is a pretty big place. If it's just us, it seems like an awful waste of space."

  56. "The visions we offer our children shape the future. It matters what those visions are. Often they become self-fulfilling prophecies. Dreams are maps."

  57. "We are like butterflies who flutter for a day and think it is forever."

  58. "The universe seems neither benign nor hostile, merely indifferent."

  59. "Who is more humble? The scientist who looks at the universe with an open mind and accepts whatever it has to teach us, or somebody who says everything in this book must be considered the literal truth and never mind the fallibility of all the human beings involved?"

  60. "The absence of evidence is not the evidence of absence."

I hope you find these quotes inspiring and thought-provoking!


Carl Sagan Quotes

Carl Sagan Quotes On Earth

Here are some quotes by Carl Sagan on various topics:

Quotes on Earth:

  1. "The Earth is a very small stage in a vast cosmic arena."

  2. "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."

  3. "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 Quotes COSMOS

Quotes from Cosmos:

  1. "The cosmos is all that is, or ever was, or ever will be."

  2. "The universe is a pretty big place. If it's just us, seems like an awful waste of space."

  3. "The size and age of the cosmos are beyond ordinary human understanding. Lost somewhere between immensity and eternity is our tiny planetary home."



Carl Sagan Quotes On Universe

Quotes on the Universe:

  1. "We are star stuff harvesting star light."

  2. "Somewhere, something incredible is waiting to be known."

  3. "We are a way for the cosmos to know itself."


Carl Sagan Quotes

Carl Sagan Quotes On Love

Quotes on Love:

  1. "For small creatures such as we, the vastness is bearable only through love."

  2. "When you're in love, you want to tell the world."

  3. "For all its material advantages, the sedentary life has left us edgy, unfulfilled. Even after 400 generations in villages and cities, we haven't forgotten."


Carl Sagan Quotes


Carl Sagan Quotes On Science

Quotes on Science:

  1. "Science is a way of thinking much more than it is a body of knowledge."

  2. "Skeptical scrutiny is the means, in both science and religion, by which deep insights can be winnowed from deep nonsense."

  3. "Imagination will often carry us to worlds that never were. But without it, we go nowhere."

I hope you find these quotes insightful and inspiring!


Carl Sagan Quotes



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