The brain is like a muscle. When it is in use we feel very good. Understanding is joyous.
CARL SAGANBooks permit us to voyage through time, to tap the wisdom of our ancestors.
More Carl Sagan Quotes
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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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If we continue to accumulate only power and not wisdom, we will surely destroy ourselves.
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People are not stupid. They believe things for reasons.
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The total number of stars in the Universe is larger than all the grains of sand on all the beaches of the planet Earth.
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The price we pay for anticipation of the future is anxiety about it.
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The significance of our lives and our fragile planet is then determined only by our own wisdom and courage.
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Except in pure mathematics, nothing is known for certain (although much is certainly false).
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Your god is too small for my universe.
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We are star stuff harvesting sunlight.
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The visions we offer our children shape the future.
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A book is made from a tree. It is an assemblage of flat, flexible parts (still called “leaves”) imprinted with dark pigmented squiggles.
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All over the world there are enormous numbers of smart, even gifted, people who harbor a passion for science.
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Extraordinary claims require extraordinary evidence.
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I’ve always thought an agnostic is an atheist without the courage of his convictions.
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I don’t want to believe. I want to know.
CARL SAGAN