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Carl Sagan

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For as long as there been humans we have searched for our place in the cosmos. Where are we? Who are we? We find that we live on an insignificant planet of a hum-drum star lost in a galaxy tucked away in some forgotten corner of a universe in which there are far more galaxies than people. This perspective is a courageous continuation of our penchant for constructing and testing mental models of the skies; the Sun as a red-hot stone, the stars as a celestial flame, the Galaxy as the backbone of night.
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p. 193

 
Carl Sagan

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As a fraction of the lifespan of the universe as measured from the beginning to the evaporation of the last black hole, life as we know it is only possible for 1/10^30 of a percent. And that's why, for me, the most astonishing wonder of the universe isn't a star or a planet or a galaxy. It isn't a thing at all. It's an instant in time. And that time is now. Humans have walked the earth for just the shortest fraction of that briefest of moments in deep time. But in our 200,000 years on this planet we've made remarkable progress. It was only 2,500 years ago that we believed that the sun was a god and measured its orbit with stone towers built on the top of a hill. Today the language of curiosity is not sun gods, but science. And we have observatories that are almost infinitely more sophisticated than those towers, that can gaze out deep into the universe. And perhaps even more remarkably through theoretical physics and mathematics we can calculate what the universe will look like in the distant future. And we can even make concrete predictions about its end. And I believe that it's only by continuing our exploration of the cosmos and the laws of nature that govern it that we can truly understand ourselves and our place in this universe of wonders.

 
Brian (physicist) Cox
 

Each of the major sciences has contributed an essential ingredient in our long retreat from an initial belief in our own cosmic importance. Astronomy defined our home as a small planet tucked away in one corner of an average galaxy among millions; biology took away our status as paragons created in the image of God; geology gave us the immensity of time and taught us how little of it our own species has occupied.

 
Stephen Jay Gould
 

The Talisman could be operated only by certain beings with certain types of minds and something else besides (could it be, he wondered, with certain kinds of souls?). "Sensitives" was the word he had used in his mental translation of the term for these kinds of people, but once again, he could not be sure if the word came close to fitting. The Talisman was placed in the custody of the most capable, or the most efficient, or the most devoted (whichever it might be) of the galactic sensitives, who carried it from star to star in a sort of eternal progression. And on each planet the people came to make personal and individual contact with the spiritual force through the intervention and the agency of the Talisman and its custodian.
He found that he was shivering at the thought of it — the pure ecstasy of reaching out and touching the spirituality that flooded through the galaxy and, undoubtedly, through the universe. The assurance would be there, he thought, the assurance that life had a special place in the great scheme of existence, that one, no matter how small, how feeble, how insignificant, still did count for something in the vast sweep of space and time.

 
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“The war won’t end,” Aviger said. “It’ll just die away...I don’t think the Culture will give in like everybody thinks it will. I think they’ll keep fighting because they believe in it. The Idirans won’t give in, either; they’ll keep fighting to the last, and they and the Culture will just keep going at each other all the time, all over the galaxy eventually, and their weapons and bombs and rays and things will just keep getting better and better, and in the end the whole galaxy will become a battleground until they’ve blown up all the stars and planets and Orbitals and everything else big enough to stand on, and then they’ll destroy all of each other’s big ships and then the little ships, too, until everybody’ll be living in single units blowing each other up with weapons that could destroy a planet...and that’s how it’ll end; probably they’ll invent guns or drones that are even smaller, and there’ll only be a few smaller and smaller machines fighting over whatever’s left of the galaxy, and there’ll be nobody left to know how it all started in the first place.”

 
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