Every one of us is, in the cosmic perspective, precious. If a human disagrees with you, let him live. In a hundred… — Carl Sagan Copy Share Image
Any sufficiently crisp question can be answered by a single binary digit-0 or 1, yes or no. — 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
UFOs: The reliable cases are uninteresting and in the interesting cases are unreliable. — Carl Sagan Copy Share Image
“It is conventional wisdom now that anything built by the government will be a disaster. But the two "Voyager" spacecraft were built… — Carl Sagan Copy Share Image
A book is made from a tree. It is an assemblage of flat, flexible parts (still called "leaves") imprinted with dark pigmented… — Carl Sagan Copy Share Image
It is said that men may not be the dreams of the god, but rather that the gods are the dreams of… — Carl Sagan Copy Share Image
“Our particular causality scheme has brought us to a modest and rudimentary, although in many respects heroic, series of explorations. But it… — Carl Sagan Copy Share Image
The simplest thought, like the concept of the number one, has an elaborate logical underpinning. — 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
![“[S]cience has itself become a kind of religion.…” quote by Carl Sagan](https://sms4smile.com/quotes/img-quotes/437/carl-sagan-160_atheism_s-cience-has-itself-become-a-kind-of-rel_1678866.jpg)
