Our species needs, and deserves, a citizenry with minds wide awake and a basic understanding of how the world works. — Carl Sagan Copy Share Image
“Contemplated as one grand whole, astronomy is the most beautiful monument of the human mind; the noblest record of its intelligence.” — Carl Sagan Copy Share Image
A googolplex is precisely as far from infinity as is the number 1... no matter what number you have in mind, infinity… — Carl Sagan Copy Share Image
“Keeping an open mind is a virtue—but, as the space engineer James Oberg once said, not so open that your brains fall… — Carl Sagan Copy Share Image
“Anything you don't understand, you attribute to God. God for you is where you sweep away all the mysteries of the world,… — 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
The fact that so little of the findings of modern science is prefigured in Scripture to my mind casts further doubt on… — 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… — Carl Sagan Copy Share Image
My fundamental premise about the brain is that its workings - what we sometimes call "mind" - are a consequence of its… — Carl Sagan Copy Share Image
Time spent with children is time well spent. Their little minds are not constrained by 'reality' or focused upon goals. Anything and… — Carl Sagan Copy Share Image
“It's no surprise that appeals to a state of mind called faith can relieve symptoms caused, at least in part, by another,… — Carl Sagan Copy Share Image
Books tap the wisdom of our species -- the greatest minds, the best teachers -- from all over the world and from… — Carl Sagan Copy Share Image
I am not an atheist. An atheist is someone who has compelling evidence that there is no Judeo-Christian-Islamic God. I am not… — Carl Sagan Copy Share Image
The library connects us with the insight and knowledge, painfully extracted from Nature, of the greatest minds that ever were, with the… — Carl Sagan Copy Share Image
In science it often happens that scientists say, 'You know that's a really good argument; my position is mistaken,' and then they… — 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 up the Milky Way Galaxy which is one of billions of other galaxies which make up a universe which may be one of a very large number, perhaps an infinite number, of other universes. That is… — Carl Sagan Copy Share
“...that kind of skeptical questioning, don't accept what authority tells you -attitude of science- is also nearly identical to the attitude of… — Carl Sagan Copy Share Image
“This sort of information gathering is precisely what we call play. And the important function of play is thus revealed: it permits… — 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 extracted from Nature, of the greatest minds that ever were, with the best teachers, drawn from the entire planet and from all our history, to instruct us without tiring, and to inspire us to make our… — Carl Sagan Copy Share
“A faith-healer may or may not start out with fraud in mind. But to his amazement, his patients actually seem to be… — Carl Sagan Copy Share Image
“Books, purchasable at low cost, permit us to interrogate the past with high accuracy; to tap the wisdom of our species; to… — Carl Sagan Copy Share Image
When permitted to listen to alternative opinions and engage in substantive debate, people have been known to change their minds. It can… — Carl Sagan Copy Share Image
A central lesson of science is that to understand complex issues (or even simple ones), we must try to free our minds… — 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
Both the Freudian and the Platonic metaphors emphasize the considerable independence of and tension among the constituent parts of the psyche, a… — 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 not stirring to understand how the world actually works — that white light is made of colors, that color is the way we perceive the wavelengths of light, that transparent air reflects light, that in so… — Carl Sagan Copy Share
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 distance. The word suggests the communication not of thoughts but of feelings, emotions. Around a quarter of all Americans believe they’ve experienced something like telepathy. People who know each other very well, who live together, who… — Carl Sagan Copy Share
“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 extracted from Nature, of the greatest minds that ever were, with the best teachers, drawn from the entire planet and from all our history, to instruct us without tiring, and to inspire us to make our… — Carl Sagan Copy Share
We live on a hunk of rock and metal that circles a humdrum star that is one of 400 billion other stars that make up the Milky Way Galaxy which is one of billions of other galaxies which make up a universe which may be one of a very large number, perhaps an infinite number, of other universes. That is… — Carl Sagan Copy Share
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