If you wish to make an apple pie from scratch, you must first invent the universe.
CARL SAGANOther things being equal, it is better to be smart than to be stupid.
More Carl Sagan Quotes
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We live on a mote of dust suspended in a sunbeam.
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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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We are all stardust.
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The nitrogen in our DNA, the calcium in our teeth, the iron in our blood, the carbon in our apple pies were made in the interiors of collapsing stars. We are made of starstuff.
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I don’t want to believe. I want to know.
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Those at too great a distance may, I am well are, mistake ignorance for perspective.
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The absence of evidence is not evidence of absence.
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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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You have to know the past to understand the present.
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For small creatures such as we the vastness is bearable only through love.
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The brain is like a muscle. When it is in use we feel very good. Understanding is joyous.
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Nature is unsentimental. Death is built in.
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We can judge our progress by the courage of our questions and the depth of our answers, our willingness to embrace what is true rather than what feels good.
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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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Don’t judge everyone else by your own limited experience.
CARL SAGAN