“On the scale of worlds—to say nothing of stars or galaxies—humans are inconsequential, a thin film of life on an obscure and… — 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
It's been said that astronomy is a humbling and, I might add, a character-building experience. — Carl Sagan Copy Share Image
“The number of external galaxies beyond the Milky Way is at least in the thousands of millions and perhaps in the hundreds… — Carl Sagan Copy Share Image
“We have examined the universe in space and seen that we live on a mote of dust circling a humdrum star in… — Carl Sagan Copy Share Image
“A handful of sand contains about 10,000 grains, more than the number of stars we can see with the naked eye on… — 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
“For all the tenure of humans on Earth, the night sky had been a companion and an inspiration. The stars were comforting.… — Carl Sagan Copy Share Image
“Our Sun is a second- or third-generation star. All of the rocky and metallic material we stand on, the iron in our… — Carl Sagan Copy Share Image
“Cosmos is a Greek word for the order of the universe. It is, in a way, the opposite of Chaos.” — Carl Sagan Copy Share Image
“It has been said that astronomy is a humbling and character-building experience. There is perhaps no better demonstration of the folly of… — Carl Sagan Copy Share Image
“At the very moment that humans discovered the scale of the universe and found that their most unconstrained fancies were in fact… — Carl Sagan Copy Share Image
“We have examined the universe in space and seen that we live on a mote of dust circling a humdrum star in… — Carl Sagan Copy Share Image
Science is a way of thinking much more than it is a body of knowledge. Its goal is to find out how… — Carl Sagan Copy Share Image
We are the representatives of the cosmos; we are an example of what hydrogen atoms can do, given 15 billion years of… — Carl Sagan Copy Share Image
“Magnetism is, of course, not the same as gravity, but Kepler’s fundamental innovation here is nothing short of breathtaking: he proposed that… — Carl Sagan Copy Share Image
“I know that I am born for a day. But when I follow at my pleasure the serried multitude of the stars… — 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
In the vastness of the Cosmos there must be other civilizations far older and more advanced than ours. — Carl Sagan Copy Share Image
“Except for hydrogen, all the atoms that make each of us up—the iron in our blood, the calcium in our bones, the… — 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
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