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  • Carl Sagan Quotes   592
  • What counts is not what sounds plausible, not what we would like to believe, not what one or two witnesses claim, but only what is supported by hard evidence rigorously and skeptically examined. Extraordinary claims require extraordinary evidence.
    • 5 years ago



    Tags : Carl Sagan Quotes , Believe Quotes , Two Quotes
  • For all our conceits about being the center of the universe, we live in a routine planet of a humdrum star stuck away in an obscure corner ... on an unexceptional galaxy which is one of about 100 billion galaxies. ... That is the fundamental fact of the universe we inhabit, and it is very good for us to understand that.
    • 5 years ago



    Tags : Carl Sagan Quotes , Stars Quotes , Humility Quotes
  • Human history can be viewed as a slowly dawning awareness that we are members of a larger group Groups of people from divergent ethnic and cultural backgrounds working in some sense together [is] surely a humanizing and character building experience. If we are to survive, our loyalties must be broadened further, to include the whole human community, the entire planet Earth.
    • 5 years ago



    Tags : Carl Sagan Quotes , Loyalty Quotes , Character Quotes
  • But the fact that some geniuses were laughed at does not imply that all who are laughed at are geniuses. They laughed at Columbus, they laughed at Fulton, they laughed at the Wright Brothers. But they also laughed at Bozo the Clown.
    • 5 years ago



    Tags : Carl Sagan Quotes , Funny Quotes , Brother Quotes
  • It is sometimes said that scientists are unromantic, that their passion to figure out robs the world of beauty and mystery. But is it not stirring to understand how the world actually works — that white light is made of colors, that color is the way we perceive the wavelengths of light, that transparent air reflects light, that in so doing it discriminates among the waves, and that the sky is blue for the same reason that the sunset is red? It does no harm to the romance of the sunset to know a little bit about it.
    • 5 years ago



    Tags : Carl Sagan Quotes , Passion Quotes , Sunset Quotes
  • For me, the most ironic token of [the first human moon landing] is the plaque signed by President Richard M. Nixon that Apollo 11 took to the moon. It reads, ‘We came in peace for all Mankind.’ As the United States was dropping seven and a half megatons of conventional explosives on small nations in Southeast Asia, we congratulated ourselves on our humanity. We would harm no one on a lifeless rock.
    • 5 years ago



    Tags : Carl Sagan Quotes , Moon Quotes , Rocks Quotes
  • 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.
    • 5 years ago



    Tags : Carl Sagan Quotes , Astrology Quotes , Atheism Quotes
  • At the heart of science is an essential balance between two seemingly contradictory attitudes-an openness to new ideas, no matter how bizarre or counterintuitive they may be, and the most ruthless skeptical scrutiny of all ideas, old and new. This is how deep truths are winnowed from deep nonsense.
    • 5 years ago



    Tags : Carl Sagan Quotes , Attitude Quotes , Heart Quotes