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
“The total amount of energy from outside the solar system ever received by all the radio telescopes on the planet Earth is… — 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
“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
“Even if the aliens are short, dour, and sexually obsessed—if they’re here, I want to know about them.” — 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 tend to hear much more about the splendors returned than the ships that brought them or the shipwrights. It has always… — 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
“Our television signals leave this planet and go out into space...the signals spread out from the earth in spherical waves, a little… — Carl Sagan Copy Share Image
“The American and Russian capabilities in space science and technology mesh; they interdigitate. Each is strong where the other is weak. This… — Carl Sagan Copy Share Image
If our long-term survival is at stake, we have a basic responsibility to our species to venture to other worlds. Sailors on… — Carl Sagan Copy Share Image
“The laws of nature cannot be randomly reshuffled at the cusps [of an oscillating universe]. If the universe has already gone through… — 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
I would be very ashamed of my civilization if we did not try to find out if there is life in outer… — Carl Sagan Copy Share Image
“I do not think it irresponsible to portray even the direst futures if we are to avoid them we must understand that… — 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
By looking far out into space we are also looking far back into time, back toward the horizon of the universe, back… — Carl Sagan Copy Share Image
“Each Voyager is itself a message. In their exploratory intent, in the lofty ambition of their objectives, in their utter lack of… — Carl Sagan Copy Share Image
Once we overcome our fear of being tiny, we find ourselves on the threshold of a vast and awesome Universe that utterly… — Carl Sagan Copy Share Image
“Across the sea of space. The stars are other suns. We have traveled this way before. And there is much to be… — Carl Sagan Copy Share Image
“Look again at that dot. That's here. That's home. That's us. On it everyone you love, everyone you know, everyone you ever… — Carl Sagan Copy Share Image
There is perhaps no better a demonstration of the folly of human conceits than this distant image of our tiny world. — Carl Sagan Copy Share Image
The boundary between space and the earth is purely arbitrary. And I'll probably always be interested in this planet - it's my… — Carl Sagan Copy Share Image
A new consciousness is developing which sees the earth as a single organism and recognizes that an organism at war with itself… — 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