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  • Carl Sagan Quotes   592
  • We all have a thirst for wonder. It's a deeply human quality. Science and religion are both bound up with it. What I'm saying is, you don't have to make stories up, you don't have to exaggerate. There's wonder and awe enough in the real world. Nature's a lot better at inventing wonders than we are.
    • 5 years ago



    Tags : Carl Sagan Quotes , Real Quotes , Quality Quotes
  • For myself, I like a universe that, includes much that is unknown and, at the same time, much that is knowable. A universe in which everything is known would be static and dull, as boring as the heaven of some weak-minded theologians. A universe that is unknowable is no fit place for a thinking being. The ideal universe for us is one very much like the universe we inhabit. And I would guess that this is not really much of a coincidence.
    • 5 years ago



    Tags : Carl Sagan Quotes , Knowledge Quotes , Science Quotes
  • Eratosthenes's only tools were sticks, eyes, feet, and brains; plus a zest for experiment. With those tools he correctly deduced the circumference of the Earth, to high precision, with an error of only a few percent. That's pretty good figuring for 2200 years ago.
    • 5 years ago



    Tags : Carl Sagan Quotes , Eye Quotes , Errors Quotes
  • In many cultures it is customary to answer that God created the universe out of nothing. But this is mere temporizing. If we wish courageously to pursue the question, we must, of course ask next where God comes from? And if we decide this to be unanswerable, why not save a step and conclude that the universe has always existed?
    • 5 years ago



    Tags : Carl Sagan Quotes , Atheist Quotes , Religion Quotes
  • What a splendid perspective contact with a profoundly different civilization might provide! In a cosmic setting vast and old beyond ordinary human understanding we are a little lonely, and we ponder the ultimate significance, if any, of our tiny but exquisite blue planet, the Earth.... In the deepest sense the search for extraterrestrial intelligence is a search for ourselves.
    • 5 years ago



    Tags : Carl Sagan Quotes , Lonely Quotes , Blue Quotes
  • [Science] is not perfect. It can be misused. It is only a tool. But it is by far the best tool we have, self-correcting, ongoing, applicable to everything. It has two rules. First: there are no sacred truths; all assumptions must be critically examined; arguments from authority are worthless. Second: whatever is inconsistent with the facts must be discarded or revised. ... The obvious is sometimes false; the unexpected is sometimes true.
    • 5 years ago



    Tags : Carl Sagan Quotes , Science Quotes , Self Quotes
  • All of the rocky and metallic material we stand on, the iron in our blood, the calcium in our teeth, the carbon in our genes were produced billions of years ago in the interior of a red giant star. We are made of star stuff.
    • 5 years ago



    Tags : Carl Sagan Quotes , Stars Quotes , Blood Quotes
  • I would love to believe that when I die I will live again, that some thinking, feeling, remembering part of me will continue. But as much as I want to believe that, and despite the ancient and worldwide cultural traditions that assert an afterlife, I know of nothing to suggest that it is more than wishful thinking.
    • 5 years ago



    Tags : Carl Sagan Quotes , Atheist Quotes , Believe Quotes