“For me, the most ironic token of [the first human moon landing] is the plaque signed by President Richard M. Nixon that… — 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 hold that popularization of science is successful if, at first, it does no more than spark the sense of wonder. — Carl Sagan Copy Share Image
We seem, these days, much more willing to recognize the perils before us than we were even a decade ago. The newly… — Carl Sagan Copy Share Image
How lucky we are to live in this time / the first moment in human history / when we are in fact… — Carl Sagan Copy Share Image
We are the first species to have taken our evolution into our own hands. — Carl Sagan Copy Share Image
If God is omnipotent and omniscient, why didn't he start the universe out in the first place so it would come out… — Carl Sagan Copy Share Image
Centuries hence, when current social and political problems may seem as remote as the problems of the Thirty Years' War are to… — Carl Sagan Copy Share Image
Ours is the first generation that has grown up with science-fiction ideas. — Carl Sagan Copy Share Image
First rule in government spending: why build one when you can have two at twice the price? — Carl Sagan Copy Share Image
Is it fair to be suspicious of an entire profession because of a few bad apples? There are at least two important… — Carl Sagan Copy Share Image
The hole in the ozone layer is a kind of skywriting. At first it seemed to spell out our continuing complacency before… — Carl Sagan Copy Share Image
“Coal, oil and gas are called fossil fuels, because they are mostly made of the fossil remains of beings from long ago.… — Carl Sagan Copy Share Image
I believe that part of what propels science is the thirst for wonder. It's a very powerful emotion. All children feel it.… — 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
[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
We are at a crossroads in human history. Never before has there been a moment so simultaneously perilous and promising. We are… — Carl Sagan Copy Share Image
If you want to make a [rhubarb] pie from scratch, first you have to create the universe. — 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
![“For me, the most ironic token of [the first human moon landing] is the plaque signed by President Richard M. Nixon that Apollo 11 took to the moon. It reads: "We came in peace for all Mankind." As the United States was dropping 7 ½ megatons of conventional explosives on small nations in Southeast…” quote by Carl Sagan](https://sms4smile.com/quotes/img-quotes/e05/carl-sagan-160_apollo_for-me-the-most-ironic-token-of-the-firs_259130.jpg)
![“[Science] is not perfect. It can be misused. It is only a tool. But it is by far the best tool we have, self-correcting, ongoing, applicable to everything. It has two rules. First: there are no sacred truths; all assumptions must be critically examined; arguments from authority are worthless…” quote by Carl Sagan](https://sms4smile.com/quotes/img-quotes/0b3/carl-sagan-160_argument_science-is-not-perfect-it-can-be-misused_2558360.jpg)
![“If you want to make a [rhubarb] pie from scratch, first you have to create the universe.” quote by Carl Sagan](https://sms4smile.com/quotes/img-quotes/813/carl-sagan-160_firsts_if-you-want-to-make-a-rhubarb-pie-from-s_2832861.jpg)
![“[ 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)
