A new consciousness is developing which sees the earth as a single organism and recognizes that an organism at war with itself… — Carl Sagan Copy Share Image
Every cell is a triumph of natural selection, and we’re made of trillions of cells. Within us, is a little universe. — Carl Sagan Copy Share Image
“The nature of life on Earth and the search for life elsewhere are two sides of the same question—the search for who… — Carl Sagan Copy Share Image
In the fabric of space and in the nature of matter, as in a great work of art, there is, written small,… — Carl Sagan Copy Share Image
“The earth is a very small stage in a vast cosmic arena. Think of the rivers of blood spilled by all those… — Carl Sagan Copy Share Image
But nature is always more subtle, more intricate, more elegant than what we are able to imagine. — Carl Sagan Copy Share Image
Every aspect of Nature reveals a deep mystery and touches our sense of wonder and awe. Those afraid of the universe as… — 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
“There is something stunningly narrow about how the Anthropic Principle is phrased. Yes, only certain laws and constants of nature are consistent… — Carl Sagan Copy Share Image
The evidence, so far at least and laws of Nature aside, does not require a Designer. Maybe there is one hiding, maddeningly… — Carl Sagan Copy Share Image
“If the structure of the world with all its order and beauty is only an effect of matter left to its own… — Carl Sagan Copy Share Image
Exploration is in our nature. We began as wanderers, and we are wanderers still. We have lingered long enough on the shores… — Carl Sagan Copy Share Image
Centuries hence, when current social and political problems may seem as remote as the problems of the Thirty Years' War are to… — Carl Sagan Copy Share Image
“Fireflies out on a warm summer's night, seeing the urgent, flashing, yellow-white phosphorescence below them, go crazy with desire; moths cast to… — Carl Sagan Copy Share Image
“Books, purchasable at low cost, permit us to interrogate the past with high accuracy; to tap the wisdom of our species; to… — Carl Sagan Copy Share Image
“The ancient Ionians were the first we know of to argue systematically that laws and forces of Nature, rather than gods, are… — Carl Sagan Copy Share Image
“For 99 percent of the tenure of humans on earth, nobody could read or write. The great invention had not yet been… — Carl Sagan Copy Share Image
The library connects us with the insight and knowledge, painfully extracted from Nature, of the greatest minds that ever were, with the… — Carl Sagan Copy Share Image
A new consciousness is developing which sees the earth as a single organism and recognizes that an organism at war with itself… — Carl Sagan Copy Share Image
A multitude of aspects of the natural world that were considered miraculous only a few generations ago are now thoroughly understood in… — Carl Sagan Copy Share Image
“We embarked on our journey to the stars with a question first framed in the childhood of our species and in each… — Carl Sagan Copy Share Image
“Kepler and Newton represent a critical transition in human history, the discovery that fairly simple mathematical laws pervade all of Nature; that… — Carl Sagan Copy Share Image
“More recently, books, especially paperbacks, have been printed in massive and inexpensive editions. For the price of a modest meal you can… — Carl Sagan Copy Share Image
“He had a natural appetite for the wonders of the Universe. He wanted to know about science. It’s just that all the… — 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