A tiny blue dot set in a sunbeam. Here it is. That's where we live. That's home. We humans are one species… — Carl Sagan Copy Share Image
“The total amount of energy from outside the solar system ever received by all the radio telescopes on the planet Earth is… — Carl Sagan Copy Share Image
“It is now almost possible to assign color combinations, based on the colors of clouds and sky, to every planet in the… — Carl Sagan Copy Share Image
“I would love to believe that when I die I will live again, that some thinking, feeling, remembering part of me will… — 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, and… — 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
“The Cosmos extends, for all practical purposes, forever. After a brief sedentary hiatus, we are resuming our ancient nomadic way of life.… — Carl Sagan Copy Share Image
In more than one respect, the exploring of the Solar System and homesteading other worlds constitutes the beginning, much more than the… — Carl Sagan Copy Share Image
“Each Voyager is itself a message. In their exploratory intent, in the lofty ambition of their objectives, in their utter lack of… — Carl Sagan Copy Share Image
No other planet in the solar system is a suitable home for human beings; it's this world or nothing. That's a very… — Carl Sagan Copy Share Image
“The others would then fall silent and she would continue about doped gallium arsenide detectors, or the ethanol content of the galactic… — 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
So those who wished for some central cosmic purpose for us, or at least our world, or at least our solar system,… — Carl Sagan Copy Share Image
“That place, called the heliopause, is one definition of the outer boundary of the Empire of the Sun. But the Voyager spacecraft… — 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 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
“These days, there seems to be nowhere left to explore. Victims of their very success, the explorers now, pretty much, stay home.… — Carl Sagan Copy Share Image
“In that case, on behalf of Earthlife, I urge that, with full knowledge of our limitations, we vastly increase our knowledge of… — Carl Sagan Copy Share Image
“Voyages to the outer solar system are controlled from a single place on the planet Earth, the Jet Propulsion Laboratory (JPL) of… — 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
