The Earth is the only world known so far to harbor life.
CARL SAGANNot all birds can fly. What separates the flyers from the walkers is the ability to take off.
More Carl Sagan Quotes
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Science is a way to not fool ourselves.
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The price we pay for anticipation of the future is anxiety about it.
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Understanding is a kind of ecstasy.
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Every kid starts out as a natural-born scientist, and then we beat it out of them. A few trickle through the system with their wonder and enthusiasm for science intact.
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You are worth about 3 dollars worth in chemicals.
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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 notion that science and spirituality are somehow mutually exclusive does a disservice to both.
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If we continue to accumulate only power and not wisdom, we will surely destroy ourselves.
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The brain is like a muscle. When it is in use we feel very good. Understanding is joyous.
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Not all birds can fly. What separates the flyers from the walkers is the ability to take off.
CARL SAGAN -
Any faith that admires truth, that strives to know God, must be brave enough to accommodate the universe.
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Those at too great a distance may, I am well are, mistake ignorance for perspective.
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One of the great commandments of science is: Mistrust arguments from authority.
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Stars are phoenixes, rising from their own ashes.
CARL SAGAN -
The universe is not required to be in perfect harmony with human ambition.
CARL SAGAN