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
“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
“If the laws of nature are unpredictably reassorted at the cusps (the transition from contraction to expansion of the universe), then it… — 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
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
I would suggest that science is, at least in my part, informed worship. — Carl Sagan Copy Share Image
We've tended in our cosmologies to make things familiar. Despite all our best efforts, we've not been very inventive. In the West,… — 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
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
How is it that hardly any major religion has looked at science and concluded, “This is better than we thought! The Universe… — Carl Sagan Copy Share Image
A blade of grass is a commonplace on Earth; it would be a miracle on Mars. Our descendants on Mars will know… — 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