Our concern for the future can be tested by how well we support our libraries. — 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
In the vastness of space and the immensity of time, it is my joy to share a planet and an epoch with… — Carl Sagan Copy Share Image
“For ages men had used sticks to club and spear each other—Anaximander of Miletus used the stick to measure time.” — 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
Books permit us to voyage through time, to tap the wisdom of our ancestors. — 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… — 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
“Would you say, “Billy, be home by the time the Earth has rotated enough so as to occult the Sun below the… — Carl Sagan Copy Share Image
I think the health of our civilization, the depth of our awareness about the underpinnings of our culture, and our concern for… — 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
I believe our future depends powerfully on how well we understand this cosmos in which we float, like a mote of dust… — Carl Sagan Copy Share Image
The immense distances to the stars and the galaxies mean that we see everything ins pace int he past, some as they… — Carl Sagan Copy Share Image
In a lot of scientists, the ratio of wonder to skepticism declines in time. That may be connected with the fact that… — 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
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
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
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
We on Earth have just awakened to the great oceans of space and time from which we have emerged. We are the… — 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
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
“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
A proclivity for science is embedded deeply within us, in all times, places, and cultures. It has been the means for our… — Carl Sagan Copy Share Image
I have a foreboding of an America in my children's or grandchildren's time - [...] when awesome technological powers are in the… — Carl Sagan Copy Share Image
“We live in an extraordinary age. These are times of stunning changes in social organization, economic well-being, moral and ethical precepts, philosophical… — Carl Sagan Copy Share Image
“Books break the shackles of time. A book is proof that humans are capable of working magic.” — Carl Sagan Copy Share Image
The visions we offer our children shape the future. It _matters_ what those visions are. Often they become self-fulfilling prophecies. Dreams are… — 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
We are star stuff which has taken its destiny into its own hands. The loom of time and space works the most… — Carl Sagan Copy Share Image
“The immense distances to the stars and the galaxies mean that we see everything in space in the past, some as they… — 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
We are at a crossroads in human history. Never before has there been a moment so simultaneously perilous and promising. We are… — Carl Sagan Copy Share Image
Accommodation to change, the thoughtful pursuit of alternative futures are keys to the survival of civilization and perhaps of the human species. — 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
If I finish a book a week, I will read only a few thousand books in my lifetime, about a tenth of… — Carl Sagan Copy Share Image
Anything else you're interested in is not going to happen if you can't breathe the air and drink the water. Don't sit… — Carl Sagan Copy Share Image
The fossil record implies trial and error, the inability to anticipate the future, features inconsistent with a Great Designer (though not a… — Carl Sagan Copy Share Image
“If artificial selection can make such major changes in so short a period of time, what must natural selection, working over billions… — Carl Sagan Copy Share Image
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
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
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
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
“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
“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
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
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
“[ 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
“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
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
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
Any sufficiently crisp question can be answered by a single binary digit-0 or 1, yes or no. — Carl Sagan Copy Share
Humans — who enslave, castrate, experiment on, and fillet other animals — have had an understandable penchant for pretending animals do not feel pain.… — Carl Sagan Copy Share
![“I have a foreboding of an America in my children's or grandchildren's time - [...] when awesome technological powers are in the hands of a very few, and no one representing the public interest can even grasp the issues; when the people have lost the ability to set their own agendas or…” quote by Carl Sagan](https://sms4smile.com/q/img-quotes/bcb/carl-sagan-160_ability_i-have-a-foreboding-of-an-america-in-my_1789747.jpg)
