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"What functions do dreams serve today? One view, published in a reputable scientific paper, holds that the function of dreams is to wake us up a little, every now and then, to see if anyone is about to eat us. But dreams occupy such a relatively small part of normal sleep that this explanation does not seem very compelling. Moreover, as we have seen, the evidence points just the other way: today it is the mammalian predators, not the mammalian prey, who characteristically have dream-filled sleep."
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"It has always been science versus fundamentalism, not science versus religion."
"Current research in any field of Science has not yet reached the point where we could start exploring the existential question regarding God as a Supreme Entity driving causality in the universe. However, as modern Neuroscience progresses further and gets more advanced, we shall get to dive deeper into the physiological processes underneath the Qualia of God in human mind. What we have seen so far through our studies in Neurotheology, is that it is not God himself/herself/itself, rather it is people's perception of God that influences the human life. The Qualia of God impact all aspects of human life by altering the body chemistry at a cellular level."
"Now you know that the fascinating phenomenon of love has nothing to do with the supernatural entity known as Cupid, but everything to do with neurochemistry. Likewise, divinity is a cerebral creation, not a supernatural one. And it has been long since thinking humanity has learnt that love is a majestic creation of the brain, yet that knowledge hasn't made love be deemed any less glorious. Then why should it threaten the religious believer to learn that divinity as well is a natural creation of the brain!"
"At the end of all spiritual paths, there lies only a cold graveyard; the path of science is the only path that may give you something better than this!"
"Every single explanation that your brain concocts about a certain phenomenon on earth, is merely a virtual hunch of the neurons. Now, when your brain has access to more information, the resulting hunch would be more accurate, than another person who has less access."
"I am proud to say to you that, I am a scientist and I accept all religions to be biologically true and equal. My pursuit of understanding the human mind has taught me universal tolerance."
"We don't give a damn to the insects on our Earth, but if we could find even a single insect on Mars, the whole world would cherish it like crazy!"
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."
"Pliny suggested that the ostrich, then newly discovered, was the result of a cross between a giraffe and a gnat. (It would, I suppose, have to be a female giraffe and a male gnat.) In practice there must be many such crosses which have not beenattempted because of a certain understandable lack of motivation."
"I consider it an extremely dangerous doctrine, because the more likely we are to assume that the solution comes from the outside, the less likely we are to solve our problems ourselves."
"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."
"Meanwhile the Cosmos is rich beyond measure: the total number of stars in the universe is greater than all the grains of sand on all the beaches of the planet Earth."
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