The suppression of uncomfortable ideas may be common in religion or in politics, but it is not the path to knowledge; it… — 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… — Carl Sagan Copy Share Image
For all I know we may be visited by a different extraterrestrial civilization every second Tuesday, but there's no support for this… — Carl Sagan Copy Share Image
An atheist has to know a lot more than I know. An atheist is someone who knows there is no god. By… — Carl Sagan Copy Share Image
We have heard the rationales offered by the nuclear superpowers. We know who speaks for the nations. But who speaks for the… — Carl Sagan Copy Share Image
It does no harm to the romance of the sunset to know a little bit about it. — Carl Sagan Copy Share Image
Except for fools and madmen, everyone knows that nuclear war would he an unprecedented human catastrophe. — Carl Sagan Copy Share Image
At a few hundred kilometers altitude, the Earth fills half your sky, and the band of blue that stretches from Mindanao to… — 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'm only a four-dimensional creature. Haven't got a clue how to visualise infinity. Even Einstein hadn't. I know because I asked him — Carl Sagan Copy Share Image
When you realize that no one really knows what they are doing and that everyone is doing the best they can according… — 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..." — Carl Sagan Copy Share Image
One trend that bothers me is the glorification of stupidity, that the media is reassuring people it's alright not to know anything.… — 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
An atheist is someone who is certain that God does not exist, someone who has compelling evidence against the existence of God.… — Carl Sagan Copy Share Image
There are lots of ways to communicate what we know, but few ways to communicate what we feel. Music is one way… — Carl Sagan Copy Share Image
I don't know the answer. Maybe no one knows. Maybe when you grow up, you'll be the first to find out. — Carl Sagan Copy Share Image
The wind whips through the canyons of the American Southwest, and there is no one to hear it but us - a… — Carl Sagan Copy Share Image
In Mozambique, the story goes, monkeys do not talk, because they know if they utter even a single word some man will… — Carl Sagan Copy Share Image
Humans are very good at dreaming, although you'd never know it from your television. — Carl Sagan Copy Share Image
There is today-in a time when old beliefs are withering-a kind of philosophical hunger, a need to know who we are and… — Carl Sagan Copy Share Image
Except for children (who don't know enough not to ask the important questions), few of us spendtime wondering why nature is the… — 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
![“[ When a religious couple wrote to Sagan about fulfilled prophecies, he wrote back in May 1996 :] If ‘fulfilled prophecy’ is your criterion, why do you not believe in materialistic science, which has an unparalleled record of fulfilled prophecy? Consider, for example, eclipses.” quote by Carl Sagan](https://sms4smile.com/quotes/img-quotes/875/carl-sagan-160_belief_when-a-religious-couple-wrote-to-sagan-a_25095.jpg)
