We are like butterflies who flutter for a day and think it is forever.
CARL SAGANIf we continue to accumulate only power and not wisdom, we will surely destroy ourselves.
More Carl Sagan Quotes
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There are as many atoms in one molecule of DNA as there are stars in a typical galaxy.
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All civilizations become either spacefaring or extinct.
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We are star stuff which has taken its destiny into its own hands.
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If we ruin the earth, there is no place else to go.
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There are no forbidden questions in science, no matters too sensitive or delicate to be probed, no sacred truths.
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We are a way for the cosmos to know itself.
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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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Across the sea of space, the stars are other suns.
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We live in a society exquisitely dependent on science and technology, in which hardly anyone knows anything about science and technology.
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Extraordinary claims require extraordinary evidence.
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The Earth is the only world known so far to harbor life.
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Stars are phoenixes, rising from their own ashes.
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Nature is unsentimental. Death is built in.
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A galaxy is composed of gas and dust and stars – billions upon billions of stars. Every star may be a sun to someone.
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Those at too great a distance may, I am well are, mistake ignorance for perspective.
CARL SAGAN







