Stars are phoenixes, rising from their own ashes.
CARL SAGANThe total number of stars in the Universe is larger than all the grains of sand on all the beaches of the planet Earth.
More Carl Sagan Quotes
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We live in a vast and awesome universe in which, daily, suns are made and worlds destroyed, where humanity clings to an obscure clod of rock.
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Nature is always more subtle, more intricate, more elegant than what we are able to imagine.
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To live in the hearts we leave behind is to live forever.
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Across the sea of space, the stars are other suns.
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Arguments from authority carry little weight, authorities have made mistakes in the past. They will do so again in the future. Perhaps a better way to say it is that in science there are no authorities; at most, there are experts.
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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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The significance of our lives and our fragile planet is then determined only by our own wisdom and courage.
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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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When we look up at night and view the stars, everything we see is shinning because of distant nuclear fusion.
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Somewhere, something incredible is waiting to be known.
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I think the health of our civilization, the depth of our awareness about the underpinnings of our culture and our concern for the future can all be tested by how well we support our libraries.
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An atheist is someone who is certain that God does not exist, someone who has compelling evidence against the existence of God.
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Any faith that admires truth, that strives to know God, must be brave enough to accommodate the universe.
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Be grateful everyday for the brief but magnificent opportunity that life provides.
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Our ancestors lived out of doors. They were as familiar with the night sky as most of us are with our favorite television programs.
CARL SAGAN