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
We are rare and precious because we are alive, because we can think as well as we can. We are privileged to… — Carl Sagan Copy Share Image
The visions we offer our children shape the future. It _matters_ what those visions are. Often they become self-fulfilling prophecies. Dreams are… — Carl Sagan Copy Share Image
Today, we're still loaded down - and, to some extent, embarrassed - by ancient myths, but we respect them as part of… — Carl Sagan Copy Share Image
The fossil record implies trial and error, an inability to anticipate the future, features inconsistent with an efficient Great Designer (although not… — Carl Sagan Copy Share Image
For a long time the human instinct to understand was thwarted by facile religious explanations. — Carl Sagan Copy Share Image
If I finish a book a week, I will read only a few thousand books in my lifetime, about a tenth of… — Carl Sagan Copy Share Image
“Books, purchasable at low cost, permit us to interrogate the past with high accuracy; to tap the wisdom of our species; to… — Carl Sagan Copy Share Image
“The fossil record implies trial and error, an inability to anticipate the future, features inconsistent with an efficient Great Designer.” — Carl Sagan Copy Share Image
“For ages men had used sticks to club and spear each other—Anaximander of Miletus used the stick to measure time.” — Carl Sagan Copy Share Image
“Books break the shackles of time. A book is proof that humans are capable of working magic.” — Carl Sagan Copy Share Image
“If artificial selection can make such major changes in so short a period of time, what must natural selection, working over billions… — 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
“The secrets of evolution, are time and death. There's an unbroken thread that stretches from those first cells to us.” — Carl Sagan Copy Share Image
“Kepler’s second law: A planet sweeps out equal areas in equal times. It takes as long to travel from B to A… — 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
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
“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
“If we continue to accumulate only power and not wisdom, we will surely destroy ourselves. Our very existence in that distant time… — Carl Sagan Copy Share Image
We are at a crossroads in human history. Never before has there been a moment so simultaneously perilous and promising. We are… — Carl Sagan Copy Share Image
In a lot of scientists, the ratio of wonder to skepticism declines in time. That may be connected with the fact that… — Carl Sagan Copy Share Image
The politicians and the religious leaders and the weapons scientists have been at it for a long time and they've made a… — 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
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
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
