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"We are the only species on the planet, so far as we know, to have invented a communal memory stored neither in our genes nor in our brains. The warehouse of this memory is called the library."
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"Getting to know who you are is the most essential information that you can find out about yourself."
"You need to know the constituency you belong to...and that is revealed by your constituents. When your constituents are speaking in public and making of stories, your constituency can be "journalism"."
"No one knows it all. Asking questions about the things that you don't know doesn't make you unintelligent. You don't have a million years on earth to make all the mistakes in the world and learn from them. You can learn from better informed people, and save yourself the headaches that come from making too many avoidable mistakes."
Explore more quotes by Carl Sagan
"Religions are often state-protected nurseries of pseudoscience, although there's no reason why religions have to play that role. In a way, it's an artefact from times long gone."
"I am often amazed at how much more capability and enthusiasm for science there is among elementary school youngsters than among college students."
"When we look up at night and view the stars, everything we see is shinning because of distant nuclear fusion."
"Billions of years from now our sun, then a distended red giant star, will have reduced Earth to a charred cinder. But the Voyager record will still be largely intact, in some other remote region of the Milky Way galaxy, preserving a murmur of an ancient civilization that once flourished - perhaps before moving on to greater deeds and other worlds - on the distant planet Earth."
"I find these comparisons particularly poignant: life versus death, hope versus fear. Space exploration and the highly mechanized destruction of people use similar technology and manufacturers, and similar human qualities of organization and daring. Can we not make the transition from automated aerospace killing to automated aerospace exploration of the solar system in which we live?"
"The total amount of energy from outside the solar system ever received by all the radio telescopes on the planet Earth is less than the energy of a single snowflake striking the ground."
"As science advances, there seems to be less and less for God to do. It's a big universe, of course, so He, She, or It, could be profitably employed in many places. But what has clearly been happening is that evolving before our eyes has been a God of the Gaps; that is, whatever it is we cannot explain lately is attributed to God. And then after a while, we explain it, and so that's no longer God's realm."
"Perhaps if one less dragonfly had drowned in the Carboniferous swamps, the intelligent organisms on our planet today would have feathers and teach their young in rookeries. The pattern of evolutionary causality is a web of astonishing complexity; the incompleteness of our understanding humbles us."
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