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"The lifetime of a human being is measured by decades, the lifetime of the Sun is a hundred million times longer. Compared to a star, we are like mayflies, fleeting ephemeral creatures who live out their lives in the course of a single day."
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"Let each person decide his or her fate."

"There is no such thing as reincarnation, but only similar incarnation."

"Mind and Soul are one and the same thing."

"Beauty, love with truth, that is all there is."

"Science without Philosophy leads to chaos. Philosophy without Science leads to nowhere. Only together they can construct a better world."

"...an age-old patter that seemed like chaos but was not..."

"It is always, first Self, then everything else."

"The Judgement is not a question, it's a sure answer, as to a clump of dough, that will yeast and rise, or go in the oven and burn to crust."

"Can any man sacrifice is life for his fellow man?"

"I guess it's better to have a chalk smile, than an ink smile. Where chalk changes with the direction of wind, ink stays as a deep stain. Like rain, sun and hail against a fake plant."
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."

"The way to find out about our place in the universe is by examining the universe and by examining ourselves - without preconceptions, with as unbiased a mind as we can muster."
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