Not all birds can fly. What separates the flyers from the walkers is the ability to take off.
CARL SAGANArguments 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.
More Carl Sagan Quotes
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Where we have strong emotions, we’re liable to fool ourselves.
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Writing is the greatest of human inventions, binding together people, citizens of distant epochs, who never knew one another.
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Not explaining science seems to me perverse. When you’re in love, you want to tell the world.
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Exploration is in our nature. We began as wanderers, and we are wanderers still. We have lingered long enough on the shores of the cosmic ocean. We are ready at last to set sail for the stars.
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Avoidable human misery is more often caused not so much by stupidity as by ignorance, particularly our ignorance about ourselves.
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Every star may be a sun to someone.
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Advances in medicine and agriculture have saved vastly more lives than have been lost in all the wars in history.
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Stars are phoenixes, rising from their own ashes.
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We all have a thirst for wonder. It’s a deeply human quality. Science and religion are both bound up with it.
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We are star stuff which has taken its destiny into its own hands.
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If you wish to make an apple pie from scratch, you must first invent the universe.
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Every kid starts out as a natural-born scientist, and then we beat it out of them. A few trickle through the system with their wonder and enthusiasm for science intact.
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For me, it is far better to grasp the Universe as it really is than to persist in delusion, however satisfying and reassuring.
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When we look up at night and view the stars, everything we see is shinning because of distant nuclear fusion.
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The Earth is a very small stage in a vast cosmic arena.
CARL SAGAN