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
I set before you two ways: You can use your technology to destroy yourselves or to carry you to the planets and… — Carl Sagan Copy Share Image
If we long to believe that the stars rise and set for us, that we are the reason there is a Universe,… — Carl Sagan Copy Share Image
A galaxy is composed of gas and dust and stars - billions upon billions of stars. Every star may be a sun… — Carl Sagan Copy Share Image
Even these stars, which seem so numerous, are as sand, as dust - or less than dust - in the enormity of… — Carl Sagan Copy Share Image
It's been said that astronomy is a humbling and, I might add, a character-building experience. — Carl Sagan Copy Share Image
It will not be we who reach Alpha Centauri, and the other nearby stars. It will be a species very like us… — Carl Sagan Copy Share Image
“Observation: there was absolutely nothing to see on Venus. Conclusion: it must be covered with life.” — 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
Those with the courage to explore the weave and structure of the Cosmos, even where it differs profoundly from their wishes and… — Carl Sagan Copy Share Image
After the earth dies, some 5 billion years from now, after it's burned to a crisp, or even swallowed by the Sun,… — Carl Sagan Copy Share Image
We are made of star stuff. For the most part, atoms heavier than hydrogen were created in the interiors of stars and… — Carl Sagan Copy Share Image
What a marvelous cooperative arrangement - plants and animals each inhaling each other's exhalations, a kind of planet-wide mutual mouth-to-stoma resuscitation, the… — Carl Sagan Copy Share Image
We can make a similar examination, but with greater uncertainty, of the extraterrestrial hypothesis that holds that a wide range of UFOs… — Carl Sagan Copy Share Image
Even today the most jaded city dweller can be unexpectedly moved upon encountering a clear night sky studded with thousands of twinkling… — Carl Sagan Copy Share Image
“The Apollo pictures of the whole Earth conveyed to multitudes something well known to astronomers: On the scale of the worlds -… — Carl Sagan Copy Share Image
“They became upright and taught themselves the use of tools, domesticated other animals, plants and fire, and devised language. The ash of… — 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 live on a hunk of rock and metal that circles a humdrum star that is one of 400 billion other stars… — Carl Sagan Copy Share Image
“It is conventional wisdom now that anything built by the government will be a disaster. But the two "Voyager" spacecraft were built… — Carl Sagan Copy Share Image
“Magnetism is, of course, not the same as gravity, but Kepler’s fundamental innovation here is nothing short of breathtaking: he proposed that… — Carl Sagan Copy Share Image
“We inhabit a universe where atoms are made in the centers of stars; where each second a thousand suns are born; where… — Carl Sagan Copy Share Image
“The number of external galaxies beyond the Milky Way is at least in the thousands of millions and perhaps in the hundreds… — 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 are the representatives of the cosmos; we are an example of what hydrogen atoms can do, given 15 billion years of… — Carl Sagan Copy Share Image
Each of us is a tiny being, permitted to ride on the outermost skin of one of the smaller planets for a… — Carl Sagan Copy Share Image
“Sagan is an astronomer with one eye on the stars, another on history, and a third—his mind’s—on the human condition.…” — 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
“Cosmos is a Greek word for the order of the universe. It is, in a way, the opposite of Chaos.” — 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
In the vastness of the Cosmos there must be other civilizations far older and more advanced than ours. — Carl Sagan Copy Share Image
“Meanwhile the Cosmos is rich beyond measure: the total number of stars in the universe is greater than all the grains of… — Carl Sagan Copy Share Image
“I know that I am born for a day. But when I follow at my pleasure the serried multitude of the stars… — Carl Sagan Copy Share Image
The sky calls to us. If we do not destroy ourselves, we will one day venture to the stars. — Carl Sagan Copy Share Image
“The cosmos is within us. We are made of star-stuff. We are a way for the universe to know itself.” — 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
“On the scale of worlds—to say nothing of stars or galaxies—humans are inconsequential, a thin film of life on an obscure and… — 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
“There are some hundred billion (1011) galaxies, each with, on the average, a hundred billion stars.” — Carl Sagan Copy Share Image
“Our Sun is a second- or third-generation star. All of the rocky and metallic material we stand on, the iron in our… — 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
