“Why is the half of humanity with a special sensitivity to the preciousness of life, the half untainted by testosterone poisoning, almost… — 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
“When I wake up I go through an abbreviated process of mourning all over again. Plainly, there’s something within me that’s ready… — Carl Sagan Copy Share Image
“[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
For all its material advantages, the sedentary life has left us edgy, unfulfilled, even after 400 generations in villages and cities, we… — 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
Modern Darwinism makes it abundantly clear that many less ruthless traits, some not always admired by robber barons and Fuhrers - altruism,… — Carl Sagan Copy Share Image
We are...capable of using our compassion and our intelligence, our technology and our wealth, to make an abundant and meaningful life for… — Carl Sagan Copy Share Image
“We succeeded in taking that picture from deep space, and, if you look at it, you see a dot. That’s here. That’s… — Carl Sagan Copy Share Image
“We succeeded in taking that picture from [deep space], and, if you look at it, you see a dot. That's here. That's… — Carl Sagan Copy Share Image
“Science is not only compatible with spirituality; it is a profound source of spirituality. When we recognize our place in an immensity… — 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
“There is something stunningly narrow about how the Anthropic Principle is phrased. Yes, only certain laws and constants of nature are consistent… — Carl Sagan Copy Share Image
“universe is almost incompatible with life—or at least what we understand as necessary for life: Even if every star in a hundred… — 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
“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
Personally, I would be delighted if there were a life after death, especially if it permitted me to continue to learn about… — Carl Sagan Copy Share Image
The lifetime of a human being is measured by decades, the lifetime of the Sun is a hundred million times longer. Compared… — 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
We start out a million years ago in a small community on some grassy plain; we hunt animals, have children, and develop… — Carl Sagan Copy Share Image
When you realize that no one really knows what they are doing and that everyone is doing the best they can according… — 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… — 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
We humans look rather different from a tree. Without a doubt we perceive the world differently than a tree does. But down… — Carl Sagan Copy Share Image
We on Earth have just awakened to the great oceans of space and time from which we have emerged. We are the… — Carl Sagan Copy Share Image
“The Earth is the only world known so far to harbour life. There is nowhere else, at least in the near future,… — Carl Sagan Copy Share Image
“There are so many examples of human misuse of the Earth that even phrasing this question chills me. If there is life… — 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
“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
“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
“That’s here. That’s home. That’s us. On it everyone you love, everyone you know, everyone you ever heard of, every human being… — 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 beauty of a living thing is not the atoms that go into it, but the way those atoms are put together.… — 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
The significance of our lives and our fragile planet is then determined only by our own wisdom and courage. We are the… — 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 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
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
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
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
“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
“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
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
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
“[ 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
“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
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
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
Any sufficiently crisp question can be answered by a single binary digit-0 or 1, yes or no. — Carl Sagan Copy Share
Humans — who enslave, castrate, experiment on, and fillet other animals — have had an understandable penchant for pretending animals do not feel pain.… — Carl Sagan Copy Share