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
Imagine we could accelerate continuously at 1 g-what we're comfortable with on good old terra firma-to the midpoint of our voyage, and… — Carl Sagan Copy Share Image
National boundaries are not evident when we view the Earth from space. Fanatical ethnic or religious or national chauvinisms are a little… — 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 is a wide yawning black infinity. In every direction the extension is endless, the sensation of depth is overwhelming. And the… — 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
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
Even today the most jaded city dweller can be unexpectedly moved upon encountering a clear night sky studded with thousands of twinkling… — 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
Each of us is a tiny being, permitted to ride on the outermost skin of one of the smaller planets for a… — Carl Sagan Copy Share Image
The sky calls to us. If we do not destroy ourselves, we will one day venture to the stars. — 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
We seem, these days, much more willing to recognize the perils before us than we were even a decade ago. The newly… — Carl Sagan Copy Share Image
I went to the librarian and asked for a book about stars.... And the answer was stunning. It was that the Sun… — 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
If we long to believe that the stars rise and set for us, that we are the reason there is a Universe,… — Carl Sagan Copy Share Image
I set before you two ways: You can use your technology to destroy yourselves or to carry you to the planets and… — Carl Sagan Copy Share Image
I can find in my undergraduate classes, bright students who do not know that the stars rise and set at night, or… — Carl Sagan Copy Share Image
We are made of star stuff. For the most part, atoms heavier than hydrogen were created in the interiors of stars and… — 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
Even these stars, which seem so numerous, are as sand, as dust - or less than dust - in the enormity of… — 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
