Extinction is the rule. Survival is the exception.
CARL SAGANYou are worth about 3 dollars worth in chemicals.
More Carl Sagan Quotes
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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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Extraordinary claims require extraordinary evidence.
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And you are made of a hundred trillion cells. We are, each of us, a multitude.
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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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Better the hard truth, I say, than the comforting fantasy.
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Perhaps the depth of love can be calibrated by the number of different selves that are actively involved in a given relationship.
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The cure for a fallacious argument is a better argument, not the suppression of ideas.
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If you wish to make an apple pie from scratch, you must first invent the universe.
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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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Every one of us is, in the cosmic perspective, precious. If a human disagrees with you, let him live. In a hundred billion galaxies, you will not find another.
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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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One of the greatest gifts adults can give – to their offspring and to their society – is to read to children.
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The universe seems neither benign nor hostile, merely indifferent.
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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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All over the world there are enormous numbers of smart, even gifted, people who harbor a passion for science.
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The notion that science and spirituality are somehow mutually exclusive does a disservice to both.
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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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The universe is a pretty big place. If it’s just us, seems like an awful waste of space.
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We are star stuff which has taken its destiny into its own hands.
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All civilizations become either spacefaring or extinct.
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I don’t want to believe. I want to know.
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The visions we offer our children shape the future.
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We live on a mote of dust suspended in a sunbeam.
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Every star may be a sun to someone.
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Science is a way to not fool ourselves.
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What an astonishing thing a book is.
CARL SAGAN