If chimpanzees have consciousness, if they are capable of abstractions, do they not have what until now has been described as 'human… — Carl Sagan Copy Share Image
There are many hypotheses in physics of almost comparable brillance and elegance that have been rejected because they did not survive such… — Carl Sagan Copy Share Image
The impediment to scientific thinking is not, I think, the difficulty of the subject. Complex intellectual feats have been mainstays even of… — Carl Sagan Copy Share Image
In Italy, the Inquisition was condemning people to death until the end of the eighteenth century, and inquisitional torture was not abolished… — Carl Sagan Copy Share Image
Virtually every major technological advance in the history of the human species - back to the invention of stone tools and the… — Carl Sagan Copy Share Image
The politicians and the religious leaders and the weapons scientists have been at it for a long time and they've made a… — 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 proclivity for science is embedded deeply within us, in all times, places, and cultures. It has been the means for our… — Carl Sagan Copy Share Image
The uniqueness of humans has been claimed on many grounds, but most often because of our tool-making, culture, language, reason and morality.… — 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)
