Every one of us is, in the cosmic perspective, precious. If a human disagrees with you, let him live. In a hundred… — 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… — Carl Sagan Copy Share Image
There is much that science doesn't understand, many mysteries still to be resolved. In a Universe tens of billions of light-years across… — Carl Sagan Copy Share Image
All of the rocky and metallic material we stand on, the iron in our blood, the calcium in our teeth, the carbon… — Carl Sagan Copy Share Image
We are the product of 4.5 billion years of fortuitous, slow biological evolution. There is no reason to think that the evolutionary… — Carl Sagan Copy Share Image
A stars rich in europium; of distant galaxies analyzed through the collective light of a hundred billion constituent stars. Astronomical spectroscopy is… — 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
Present global culture is a kind of arrogant newcomer. It arrives on the planetary stage following four and a half billion years… — Carl Sagan Copy Share Image
For all our conceits about being the center of the universe, we live in a routine planet of a humdrum star stuck… — Carl Sagan Copy Share Image
The Hindu religion is the only one of the world’s great faiths dedicated to the idea that the Cosmos itself undergoes an… — Carl Sagan Copy Share Image
After the earth dies, some 5 billion years from now, after it's burned to a crisp, or even swallowed by the Sun,… — Carl Sagan Copy Share Image
A still more glorious dawn awaits / not a sunrise, but a galaxy-rise / a morning filled with 400 billion suns /… — 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
Some 5 billion years from now, there will be a last perfect day on Earth... then the sun will begin to die,… — 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
Scientists constantly get clobbered with the idea that we spent 27 billion dollars on the Apollo programs, and are asked "What more… — Carl Sagan Copy Share Image
I never said it. Honest. Oh, I said there are maybe 100 billion galaxies and 10 billion trillion stars. It's hard to… — Carl Sagan Copy Share Image
A millennium before Europeans were willing to divest themselves of the Biblical idea that the world was a few thousand years old,… — Carl Sagan Copy Share Image
Since World War II, Japan has spawned enormous numbers of new religions featuring the supernatural.... In Thailand, diseases are treated with pills… — Carl Sagan Copy Share Image
We have begun to contemplate our origins: starstuff pondering the stars; organized assemblages of ten billion billion billion atoms considering the evolution… — Carl Sagan Copy Share Image
We've begun at last to wonder about our origins, star stuff contemplating the stars, organized collections of ten billion billion billion atoms… — Carl Sagan Copy Share Image
A galaxy is composed of gas and dust and stars - billions upon billions of stars. Every star may be a sun… — Carl Sagan Copy Share Image
You mustn't think of the Universe as a wilderness. It hasn't been that for billions of years," he said. "Think of it… — 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
