“The Cosmos may be densely populated with intelligent beings. But the Darwinian lesson is clear: There will be no humans elsewhere. Only… — Carl Sagan Copy Share Image
Those afraid of the universe as it really is, those who pretend to nonexistent knowledge and envision a Cosmos centered on human… — Carl Sagan Copy Share Image
We are made of stellar ash. Our origin and evolution have been tied to distant cosmic events. The exploration of the cosmos… — Carl Sagan Copy Share Image
Cosmos is a Greek word for the order of the universe. It is, in a way, the opposite of Chaos. It implies… — Carl Sagan Copy Share Image
“Alone in the observatory late one night, I heard the telephone ring persistently. When I answered, a voice, betraying a well-advanced state… — Carl Sagan Copy Share Image
“I find these comparisons particularly poignant: life versus death, hope versus fear. Space exploration and the highly mechanized destruction of people use… — Carl Sagan Copy Share Image
The total number of stars in the Universe is larger than all the grains of sand on all the beaches of the… — Carl Sagan Copy Share Image
I never said it. Honest. Oh, I said there are maybe 100 billion galaxies and 10 billion trillion stars. It's hard to… — 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
“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
The desire to be connected with the cosmos reflects a profound reality, but we are connected; not in the trivial ways that… — 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
“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
The surface of the Earth is the shore of the cosmic ocean. On this shore, we've learned most of what we know.… — 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
“The Cosmos extends, for all practical purposes, forever. After a brief and sedentary hiatus we are resuming our ancient nomadic way of… — Carl Sagan Copy Share Image
We are made of star-stuff. Our bodies are made of star-stuff. There are pieces of star within us all. — Carl Sagan Copy Share Image
“There is a place with four suns in the sky-red, white, blue, and yellow; two of them are so close together that… — Carl Sagan Copy Share Image
“The great radio telescopes of the world are constructed in remote locations for the same reason Paul Gauguin sailed to Tahiti: For… — 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
“The study of the galaxies reveals a universal order and beauty. It also shows us chaotic violence on a scale hitherto undreamed… — Carl Sagan Copy Share Image
Before we invented civilization our ancestors lived mainly in the open out under the sky. Before we devised artificial lights and atmospheric… — Carl Sagan Copy Share Image
We have begun to contemplate our origins: starstuff pondering the stars; organized assemblages of ten billion billion billion atoms considering the evolution… — 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