“For thousands of years humans were oppressed— as some of us still are— by the notion that the universe is a marionette… — Carl Sagan Copy Share Image
“As science advances, there seems to be less and less for God to do. It's a big universe, of course, so He,… — Carl Sagan Copy Share Image
“The major religions on the Earth contradict each other left and right. You can't all be correct. And what if all of… — Carl Sagan Copy Share Image
Better the hard truth, I say, than the comforting fantasy. And in the final tolling it often turns out that the facts… — 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
“In the 1920s, there was a dinner at which the physicist Robert W. Wood was asked to respond to a toast ...… — Carl Sagan Copy Share Image
“It may be that there are kernels of truth in a few of these doctrines, but their widespread acceptance betokens a lack… — Carl Sagan Copy Share Image
Present global culture is a kind of arrogant newcomer. It arrives on the planetary stage following four and a half billion years… — Carl Sagan Copy Share Image
History is full of people who out of fear, or ignorance, or lust for power has destroyed knowledge of immeasurable value which… — Carl Sagan Copy Share Image
“When we are asked to swear in American courts of law—that we will tell “the truth, the whole truth, and nothing but… — Carl Sagan Copy Share Image
The chief deficiency I see in the skeptical movement is its polarization: Us vs. Them - the sense that we have a… — Carl Sagan Copy Share Image
“The major religions on the Earth contradict each other left and right. You can't all be correct. And what if all of… — Carl Sagan Copy Share Image
The Bill of Rights decoupled religion from the state, in part because so many religions were steeped in an absolutist frame of… — Carl Sagan Copy Share Image
In a complex universe, in a society undergoing unprecedented change, how can we find the truth if we are not willing to… — Carl Sagan Copy Share Image
[Kepler] preferred the hard truth to his dearest illusions, and that is the heart of science. — Carl Sagan Copy Share Image
“If we know only our own side of the argument, we hardly know even that; it becomes stale, soon learned only by… — 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
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
“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
There are many hypotheses in science which are wrong. That’s perfectly all right: it’s the aperture to finding out what’s right. Science… — Carl Sagan Copy Share Image
'In his celebrated book, 'On Liberty', the English philosopher John Stuart Mill argued that silencing an opinion is "a peculiar evil." If… — Carl Sagan Copy Share Image
“If a marker were to be erected today, it might read, in homage to his scientific courage: “He preferred the hard truth… — Carl Sagan Copy Share Image
Our intelligence is imperfect, surely, and newly arisen; the ease with which it can be sweet-talked, overwhelmed, or subverted by other hardwired… — 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
Finding the occasional straw of truth awash in a great ocean of confusion and bamboozle requires intelligence, vigilance, dedication, and courage. But… — Carl Sagan Copy Share Image
“We also know how cruel the truth often is, and we wonder whether delusion is not more consoling. HENRI POINCARÉ (1854–1912)” — Carl Sagan Copy Share Image
[Science] is not perfect. It can be misused. It is only a tool. But it is by far the best tool we… — Carl Sagan Copy Share Image
“the increase of known truths stimulates the investigation, establishment, and growth of the arts.” — Carl Sagan Copy Share Image
Better by far to embrace the hard truth than a reassuring fable. If we crave some cosmic purpose, then let us find… — Carl Sagan Copy Share Image
The words "question" and "quest" are cognates. Only through inquiry can we discover truth. — Carl Sagan Copy Share Image
The cosmos is full beyond measure of elegant truths / of exquisite interrelationships / of the awesome machinery of nature — Carl Sagan Copy Share Image
If it can be destroyed by the truth, it deserves to be destroyed by the truth. — Carl Sagan Copy Share Image
Any faith that admires truth, that strives to know God, must be brave enough to accommodate the universe. — Carl Sagan Copy Share Image
We wish to find the truth, no matter where it lies. But to find the truth we need imagination and skepticism both.… — 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