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.
CARL SAGANThe 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.
More Carl Sagan Quotes
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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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We are star stuff harvesting sunlight.
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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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Where we have strong emotions, we’re liable to fool ourselves.
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Understanding is a kind of ecstasy.
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We can judge our progress by the courage of our questions and the depth of our answers, our willingness to embrace what is true rather than what feels good.
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Nature is always more subtle, more intricate, more elegant than what we are able to imagine.
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If it can be destroyed by the truth, it deserves to be destroyed by the truth.
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The beauty of a living thing is not the atoms that go into it, but the way those atoms are put together.
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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 universe is not required to be in perfect harmony with human ambition.
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I’ve always thought an agnostic is an atheist without the courage of his convictions.
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We make our world significant by the courage of our questions and the depth of our answers.
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If you wish to make an apple pie from scratch, you must first invent the universe.
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I would suggest that science is, at least in my part, informed worship.
CARL SAGAN