Nature is unsentimental. Death is built in.
CARL SAGANImagination will often carry us to worlds that never were, but without it we go nowhere.
More Carl Sagan Quotes
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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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If we continue to accumulate only power and not wisdom, we will surely destroy ourselves.
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Nature is always more subtle, more intricate, more elegant than what we are able to imagine.
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I would suggest that science is, at least in my part, informed worship.
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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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There are no forbidden questions in science, no matters too sensitive or delicate to be probed, no sacred truths.
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Human beings have a demonstrated talent for self-deception when their emotions are stirred.
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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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We are star stuff harvesting sunlight.
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The price we pay for anticipation of the future is anxiety about it.
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I don’t want to believe. I want to know.
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Across the sea of space, the stars are other suns.
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Science is a way to not fool ourselves.
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The universe seems neither benign nor hostile, merely indifferent.
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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.
CARL SAGAN