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  • Carl Sagan Quotes   592
  • Arguments from authority carry little weight – authorities have made mistakes in the past. They will do so again in the future. Perhaps a better way to say it is that in science there are no authorities; at most, there are experts.
  • 5 years ago



    Tags : Carl Sagan Quotes , Mistake Quotes , Past Quotes
  • 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.
  • 5 years ago



    Tags : Carl Sagan Quotes , Hands Quotes , Ideas Quotes
  • The near side of a galaxy is tens of thousands of light-years closer to us than the far side; thus we see the front as it was tens of thousands of years before the back. But typical events in galactic dynamics occupy tens of millions of years, so the error in thinking of an image of a galaxy as frozen in one moment of time is small.
  • 5 years ago



    Tags : Carl Sagan Quotes , Thinking Quotes , Errors Quotes
  • My deeply held belief is that if a god of anything like the traditional sort exists, our curiosity and intelligence is provided by such a God. We would be unappreciative of that gift if we suppressed our passion to explore the universe and ourselves.
  • 5 years ago



    Tags : Carl Sagan Quotes , God Quotes , Passion Quotes
  • We invest far off places with a certain romance... Long summers, mild winters, rich harvests, plentiful game; none of them lasts for ever. Your own life, or your bands, or even your species - might be owed to a restless few, drawn by a craving they can hardly articulate or understand, to undiscovered lands, and new worlds.
  • 5 years ago



    Tags : Carl Sagan Quotes , Summer Quotes , Winter Quotes