If you wish to make an apple pie from scratch, you must first invent the universe.
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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Don’t judge everyone else by your own limited experience.
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Imagination will often carry us to worlds that never were, but without it we go nowhere.
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The absence of evidence is not evidence of absence.
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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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Those at too great a distance may, I am well are, mistake ignorance for perspective.
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Better the hard truth, I say, than the comforting fantasy.
CARL SAGAN -
The Earth is the only world known so far to harbor life.
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If I finish a book a week, I will read only a few thousand books in my lifetime, about a tenth of a percent of the contents of the greatest libraries of our time. The trick is to know which books to read.
CARL SAGAN -
We are star stuff harvesting sunlight.
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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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Science is a way of thinking much more than it is a body of knowledge.
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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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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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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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For small creatures such as we the vastness is bearable only through love.
CARL SAGAN