If we ruin the earth, there is no place else to go.
CARL SAGANScience is a way to not fool ourselves.
More Carl Sagan Quotes
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We are like butterflies who flutter for a day and think it is forever.
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Imagination will often carry us to worlds that never were, but without it we go nowhere.
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The absence of evidence is not evidence of absence.
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Somewhere, something incredible is waiting to be known.
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The cure for a fallacious argument is a better argument, not the suppression of ideas.
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We are star stuff which has taken its destiny into its own hands.
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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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The beauty of a living thing is not the atoms that go into it, but the way those atoms are put together.
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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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Except in pure mathematics, nothing is known for certain (although much is certainly false).
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One of the great commandments of science is: Mistrust arguments from authority.
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We are star stuff harvesting sunlight.
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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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The truth may be puzzling. It may take some work to grapple with. It may be counterintuitive. It may contradict deeply held prejudices. It may not be consonant with what we desperately want to be true. But our preferences do not determine what’s true.
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The Earth is the only world known so far to harbor life.
CARL SAGAN