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Carl Sagan Quotes
"The cosmos is within us. We are made of star-stuff. We are a way for the universe to know itself."
"Somewhere, something incredible is waiting to be known."
"Extraordinary claims require extraordinary evidence."
"Science is not only compatible with spirituality; it is a profound source of spirituality."
"We live in a society exquisitely dependent on science and technology, in which hardly anyone knows anything about science and technology."
"The absence of evidence is not the evidence of absence."
"We are like butterflies who flutter for a day and think it is forever."
