Carl Sagan — "Science is a self-correcting process."
Science is a self-correcting process.
Science is a self-correcting process.
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"I don't want to believe. I want to know."
"What an astonishing thing a book is. It's a flat object made of trees, with flexible parts on which are imprinted many dark squiggles. But it is still a world of strong emotion, of thought, of revelat…"
"If we are to survive, we must look to the stars."
"The nitrogen in our DNA, the calcium in our teeth, the iron in our blood, the carbon in our apple pie were made in the interiors of collapsing stars. We are made of starstuff."
"Extraordinary claims require extraordinary evidence."
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