If we can't think for ourselves, if we're unwilling to question authority, then we're just putty in the hands of those in… — Carl Sagan Copy Share Image
Arguments from authority carry little weight – authorities have made mistakes in the past. They will do so again in the future.… — Carl Sagan Copy Share Image
If we can't think for ourselves, if we're unwilling to question authority, then we're just putty in the hands of those in… — Carl Sagan Copy Share Image
One of the great commandments of science is: 'Mistrust arguments from authority.' — Carl Sagan Copy Share Image
If we are not able to ask skeptical questions, to interrogate those who tell us that something is true, to be skeptical… — 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
I have a foreboding of an America in my children's or grandchildren's time - [...] when awesome technological powers are in the… — 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
Science ... looks skeptically at all claims to knowledge, old and new. It teaches not blind obedience to those in authority but… — 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
“...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
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
![“I have a foreboding of an America in my children's or grandchildren's time - [...] when awesome technological powers are in the hands of a very few, and no one representing the public interest can even grasp the issues; when the people have lost the ability to set their own agendas or…” quote by Carl Sagan](https://sms4smile.com/quotes/img-quotes/bcb/carl-sagan-160_ability_i-have-a-foreboding-of-an-america-in-my_1789747.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)
![“[ 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)
