“[In] everyday life, it is very rare that we are confronted with new facts about events of long ago. Our memories are… — Carl Sagan Copy Share Image
Who is more humble? The scientist who looks at the universe with an open mind and accepts whatever the universe has to… — Carl Sagan Copy Share Image
There are in fact 100 billion galaxies, each of which contain something like a 100 billion stars. Think of how many stars,… — Carl Sagan Copy Share Image
“From this distant vantage point, the Earth might not seem of any particular interest. But for us, it’s different. Consider again that… — Carl Sagan Copy Share Image
“The old exhortations to nationalist fervor and jingoist pride have begun to lose their appeal. Perhaps because of rising standards of living,… — Carl Sagan Copy Share Image
An atheist is someone who is certain that God does not exist, someone who has compelling evidence against the existence of God.… — 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
“But deep down, the the molecular heart of life, the trees and we are essentially identical.” — Carl Sagan Copy Share Image
“I’m frequently asked, “Do you believe there’s extraterrestrial intelligence?” I give the standard arguments—there are a lot of places out there, the… — Carl Sagan Copy Share Image
When you look more generally at life on Earth, you find that it is all the same kind of life. There are… — 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
“Compared to a star, we are like mayflies, fleeting ephemeral creatures who live out their whole lives in the course of a… — Carl Sagan Copy Share Image
“The study of the galaxies reveals a universal order and beauty. It also shows us chaotic violence on a scale hitherto undreamed… — Carl Sagan Copy Share Image
Discussing the possibilities of extraterrestrial life: I would love it even if they were short, sullen, grumpy and sexually obsessed. But there… — Carl Sagan Copy Share Image
We need to reduce military budgets; raise living standards; engender respect for learning; support science, scholarship, invention, and industry; promote free inquiry;… — Carl Sagan Copy Share Image
“The Man in the Moon is in fact a record of ancient catastrophes--most of which took place before humans, before mammals, and… — Carl Sagan Copy Share Image
If there is life, then I believe we should do nothing to disturb that life. Mars then, belongs to the Martians, even… — 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
“He argued that we are so helpless at birth that, if the first human infants had been put into the world on… — 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
“Now, it would be wholly foolish to deny the existence of laws of nature. And if that is what we are talking… — Carl Sagan Copy Share Image
“The Earth is the only world known so far to harbor life. There is nowhere else, at least in the near future,… — Carl Sagan Copy Share Image
She had studied the universe all her life, but had overlooked its clearest message: For small creatures such as we the vastness… — 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