One of the great commandments of science is: Mistrust arguments from authority.
CARL SAGANAll over the world there are enormous numbers of smart, even gifted, people who harbor a passion for science.
More Carl Sagan Quotes
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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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The visions we offer our children shape the future.
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All civilizations become either spacefaring or extinct.
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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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I’ve always thought an agnostic is an atheist without the courage of his convictions.
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The universe is not required to be in perfect harmony with human ambition.
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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.
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Books are like seeds. They can lie dormant for centuries and then flower in the most unpromising soil.
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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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The notion that science and spirituality are somehow mutually exclusive does a disservice to both.
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Better the hard truth, I say, than the comforting fantasy.
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Every star may be a sun to someone.
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And you are made of a hundred trillion cells. We are, each of us, a multitude.
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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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You have to know the past to understand the present.
CARL SAGAN