“Demon” means “knowledge” in Greek. “Science” means “knowledge” in Latin. A jurisdictional dispute is exposed, even if we look no further.” — Carl Sagan Copy Share Image
“We've arranged a global civilization in which most crucial elements profoundly depend on science and technology. We have also arranged things so… — Carl Sagan Copy Share Image
One of the great commandments of science is, 'Mistrust arguments from authority'. (Scientists, being primates, and thus given to dominance hierarchies, of… — Carl Sagan Copy Share Image
Every aspect of Nature reveals a deep mystery and touches our sense of wonder and awe. Those afraid of the universe as… — Carl Sagan Copy Share Image
All over the world there are enormous numbers of smart, even gifted, people who harbor a passion for science. But that passion… — Carl Sagan Copy Share Image
If we could travel into the past, it's mind-boggling what would be possible. For one thing, history would become an experimental science,… — Carl Sagan Copy Share Image
Modern science has been a voyage into the unknown, with a lesson in humility waiting at every stop. Many passengers would rather… — 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
“What is there in the precepts of science that keeps a scientist from doing evil?” — Carl Sagan Copy Share Image
There are no forbidden questions in science, no matters too sensitive or delicate to be probed, no sacred truths. — 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
I am often amazed at how much more capability and enthusiasm for science there is among elementary school youngsters than among college… — Carl Sagan Copy Share Image
The truth may be puzzling. It may take some work to grapple with. It may be counterintuitive. It may contradict deeply held… — Carl Sagan Copy Share Image
I believe that in every person is a kind of circuit which resonates to intellectual discovery-and the idea is to make that… — Carl Sagan Copy Share Image
“Ethnocentrism, xenophobia and nationalism are these days rife in many parts of the world. Government repression of unpopular views is still widespread.… — Carl Sagan Copy Share Image
“On Titan the molecules that have been raining down like manna from heaven for the last 4 billion years might still be… — Carl Sagan Copy Share Image
“Science is far from a perfect instrument of knowledge. It's just the best we have. In this respect, as in many others,… — carl sagan Copy Share Image
The usual rejoinder to someone who says 'They laughed at Columbus, they laughed at Galileo' is to say 'But they also laughed… — Carl Sagan Copy Share Image
Who is more humble? The scientist who looks at the universe with an open mind and accepts whatever the universe has to… — Carl Sagan Copy Share Image
If you are only skeptical, then no new ideas make it through to you. You become a crotchety old person convinced that… — Carl Sagan Copy Share Image
Ours is the first generation that has grown up with science-fiction ideas. — Carl Sagan Copy Share Image
Science cuts two ways, of course; its products can be used for both good and evil. But there's no turning back from… — Carl Sagan Copy Share Image
“Science is an ongoing process. It never ends. There is no single ultimate truth to be achieved, after which all the scientists… — 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