"Somewhere, something incredible is waiting to be known."
"Anything else you're interested in is not going to happen if you can't breathe the air and drink the water. Don't sit this one out. Do something. You are by accident of fate alive at an absolutely critical moment in the history of our planet."
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Source: Carl Sagan (2011). “The Demon-Haunted World: Science as a Candle in the Dark”, p.429, Ballantine Books
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