I have a foreboding of an America in my children's or grandchildren's time - [...] when awesome technological powers are in the… — 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
Science cuts two ways, of course; its products can be used for both good and evil. But there's no turning back from… — Carl Sagan Copy Share Image
As agonizing a disease as cancer is, I do not think it can be said that our civilization is threatened by it.… — Carl Sagan Copy Share Image
Virtually every major technological advance in the history of the human species - back to the invention of stone tools and the… — Carl Sagan Copy Share Image
Goddard represented a unique combination of visionary dedication and technological brilliance. He studied physics because he needed physics to get to Mars.… — Carl Sagan Copy Share Image
Every thinking person fears nuclear war, and every technological state plans for it. Everyone knows it is madness, and every nation has… — 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
