"Somewhere, something incredible is waiting to be known."
"Because men, compared to male chimps, have such relatively small testicles (large testicles indicate a species where many males mate, one after the other, with the same female), we might guess that promiscuous societies were uncommon in the immediate human past."
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Source: Carl Sagan, Jerald F. TerHorst, Allan J. Mayer, Sharon S. McKern, Laurence J. Peter (1980). “Broca's brain: reflections on the romance of science”
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"It is far better to grasp the universe as it really is than to persist in delusion, however satisfying and reassuring."
"One of the saddest lessons of history is this: If we’ve been bamboozled long enough, we tend to reject any evidence of the bamboozle. We’re no longer interested in finding out the truth. The bamboozle has captured us. It’s simply too painful to acknowledge, even to ourselves, that we’ve been taken. Once you give a charlatan power over you, you almost never get it back."
"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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"I don't want to believe. I want to know."