By looking far out into space we are also looking far back into time, back toward the horizon of the universe, back… — Carl Sagan Copy Share Image
Once we overcome our fear of being tiny, we find ourselves on the threshold of a vast and awesome Universe that utterly… — Carl Sagan Copy Share Image
Whenever our ethnic or national prejudices are aroused, in times of scarcity, during challenges to national self esteem or nerve, when we… — Carl Sagan Copy Share Image
The Hindu religion is the only one of the world’s great faiths dedicated to the idea that the Cosmos itself undergoes an… — Carl Sagan Copy Share Image
One glance at a book and you hear the voice of another person, perhaps someone dead for 1,000 years. To read is… — Carl Sagan Copy Share Image
Writing is perhaps the greatest of human inventions, binding together people who never knew each other, citizens of distant epochs. Books break… — Carl Sagan Copy Share Image
“The scientific world view works so well, explains so much and resonates so harmoniously with the most advanced parts of our brains… — Carl Sagan Copy Share Image
Because men, compared to male chimps, have such relatively small testicles (large testicles indicate a species where many males mate, one after… — Carl Sagan Copy Share Image
“The Sphinx is missing a nose. Someone shot it off in a moment of idle desecration—some say it was Mameluke Turks, others,… — Carl Sagan Copy Share Image
“We are all flawed and creatures of our times. Is it fair to judge us by the unknown standards of the future?” — Carl Sagan Copy Share Image
It is all a matter of time scale. An event that would be unthinkable in a hundred years may be inevitable in… — Carl Sagan Copy Share Image
Maybe it's a little early. Maybe the time is not quite yet. But those other worlds - promising untold opportunities - beckon.… — Carl Sagan Copy Share Image
“The Earth is the only world known so far to harbour life. There is nowhere else, at least in the near future,… — Carl Sagan Copy Share Image
“the future belongs to those societies that treat new ideas as delicate, fragile and immensely valuable pathways to the future.” — Carl Sagan Copy Share Image
How lucky we are to live in this time / the first moment in human history / when we are in fact… — Carl Sagan Copy Share Image
He sought a way to preserve the past. John Hershel was one of the founders of a new form of time travel....… — Carl Sagan Copy Share Image
“Black holes may be apertures to elsewhen. Were we to plunge down a black hole, we would re-emerge, it is conjectured, in… — Carl Sagan Copy Share Image
And after we returned to the savannahs and abandoned the trees, did we long for those great graceful leaps and ecstatic moments… — Carl Sagan Copy Share Image
We live at a moment when our relationships to each other, and to all other beings with whom we share this planet,… — Carl Sagan Copy Share Image
For myself, I like a universe that, includes much that is unknown and, at the same time, much that is knowable. A… — Carl Sagan Copy Share Image
“Once upon a time, we soared into the Solar System. For a few years. Then we hurried back. Why? What happened? What… — Carl Sagan Copy Share Image
“I have a foreboding of an America in my children's or grandchildren's time -- when the United States is a service and… — Carl Sagan Copy Share Image
If we could travel into the past, it's mind-boggling what would be possible. For one thing, history would become an experimental science,… — Carl Sagan Copy Share Image
It is sometimes said that scientists are unromantic, that their passion to figure out robs the world of beauty and mystery. But is it… — Carl Sagan Copy Share Image
The prediction of nuclear winter is drawn not, of course, from any direct experience with the consequences of global nuclear war, but rather from… — Carl Sagan Copy Share Image
The suppression of uncomfortable ideas may be common in religion or in politics, but it is not the path to knowledge; it has no… — Carl Sagan Copy Share Image
“Telepathy’ literally means to feel at a distance, just as ‘telephone’ is to hear at a distance and ‘television’ is to see at a… — Carl Sagan Copy Share Image
“On the scale of worlds—to say nothing of stars or galaxies—humans are inconsequential, a thin film of life on an obscure and solitary lump… — Carl Sagan Copy Share Image
Every one of us is, in the cosmic perspective, precious. If a human disagrees with you, let him live. In a hundred billion galaxies,… — Carl Sagan Copy Share Image
In our time, we have sifted the sands of Mars, we have established a presence there, we have fulfilled a century of dreams! — Carl Sagan Copy Share Image
“[ When a religious couple wrote to Sagan about fulfilled prophecies, he wrote back in May 1996 :] If ‘fulfilled prophecy’ is your criterion,… — Carl Sagan Copy Share Image
“Books permit us to voyage through time, to tap the wisdom of our ancestors. The library connects us with the insight and knowledge, painfully… — Carl Sagan Copy Share Image
We live on a hunk of rock and metal that circles a humdrum star that is one of 400 billion other stars that make… — Carl Sagan Copy Share Image
A tiny blue dot set in a sunbeam. Here it is. That's where we live. That's home. We humans are one species and this… — Carl Sagan Copy Share Image
