Extinction is the rule. Survival is the exception.
CARL SAGANAn atheist is someone who is certain that God does not exist, someone who has compelling evidence against the existence of God.
More Carl Sagan Quotes
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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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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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The absence of evidence is not evidence of absence.
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The universe seems neither benign nor hostile, merely indifferent.
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Imagination will often carry us to worlds that never were, but without it we go nowhere.
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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 live on a mote of dust suspended in a sunbeam.
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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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Our species needs, and deserves, a citizenry with minds wide awake and a basic understanding of how the world works.
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I don’t want to believe. I want to know.
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We are star stuff harvesting sunlight.
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I consider it an extremely dangerous doctrine, because the more likely we are to assume that the solution comes from the outside, the less likely we are to solve our problems ourselves.
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We can’t help it. Life looks for life.
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Don’t judge everyone else by your own limited experience.
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If we continue to accumulate only power and not wisdom, we will surely destroy ourselves.
CARL SAGAN