Since, in the long run, every planetary society will be endangered by impacts from space, every surviving civilization is obliged to become… — 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
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
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
“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
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
A single message from space will show that it is possible to live through technological adolescence. . . . It is possible… — 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
“Billions of years from now our sun, then a distended red giant star, will have reduced Earth to a charred cinder. But… — Carl Sagan Copy Share Image
The universe is a pretty big place. If it's just us, seems like an awful waste of space. — Carl Sagan Copy Share Image
If you look at Earth from space you see a dot, that's here. That's home. That's us. It underscores the responsibility 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 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
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
“Once we lose our fear of being tiny, we find ourselves on the threshold of a vast and awesome Universe which dwarfs… — Carl Sagan Copy Share Image
Since, in the long run, every planetary civilization will be endangered by impacts from space, every surviving civilization is obliged to become… — Carl Sagan Copy Share Image
We on Earth have just awakened to the great oceans of space and time from which we have emerged. — 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
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
