Demon mean knowledge in Greek, especially about the material world. Science means knowledge in Latin. A jurisdictional dispute is exposed, even if… — Carl Sagan Copy Share Image
The illegality of cannabis is outrageous, an impediment to full utilization of a drug which helps produce the serenity and insight, sensitivity… — Carl Sagan Copy Share Image
All of the books in the world contain no more information than is broadcast as video in a single large American city… — Carl Sagan Copy Share Image
Maybe it's a little early. Maybe the time is not quite yet. But those other worlds - promising untold opportunities - beckon.… — Carl Sagan Copy Share Image
The vast distances that separate the stars are providential. Beings and worlds are quarantined from one another. The quarantine is lifted only… — Carl Sagan Copy Share Image
It is clear that the nations of the world now can only rise and fall together. It is not a question of… — Carl Sagan Copy Share Image
The reappearance of the crescent moon after the new moon; the return of the Sun after a total eclipse, the rising of… — 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
Quickly capping 363 oil well fires in a war zone is impossible. The fires would burn out of control until they put… — Carl Sagan Copy Share Image
Those afraid of the universe as it really is, those who pretend to nonexistent knowledge and envision a Cosmos centered on human… — Carl Sagan Copy Share Image
Since, in the long run, every planetary civilization will be endangered by impacts from space, every surviving civilization is obliged to become… — Carl Sagan Copy Share Image
Since World War II, Japan has spawned enormous numbers of new religions featuring the supernatural… In Thailand, diseases are treated with pills… — Carl Sagan Copy Share Image
Chlorine is a deadly poison gas employed on European battlefields in World War I. Sodium is a corrosive metal which burns upon… — Carl Sagan Copy Share Image
We invest far off places with a certain romance... Long summers, mild winters, rich harvests, plentiful game; none of them lasts for… — Carl Sagan Copy Share Image
The Hindu religion is the only one of the world’s great faiths dedicated to the idea that the Cosmos itself undergoes an… — Carl Sagan Copy Share Image
One of the reasons for its success is that science has a built-in, error-correcting machinery at its very heart. Some may consider… — Carl Sagan Copy Share Image
When you buy a used car, you kick the tires, you look at the odometer, you open up the hood. If you… — Carl Sagan Copy Share Image
All over the world there are enormous numbers of smart, even gifted, people who harbor a passion for science. But that passion… — Carl Sagan Copy Share Image
We hunger to understand, so we invent myths about how we imagine the world is constructed - and they're, of course, based… — 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 all have a thirst for wonder. It's a deeply human quality. Science and religion are both bound up with it. What… — 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
Any sufficiently crisp question can be answered by a single binary digit-0 or 1, yes or no. — Carl Sagan Copy Share Image
Humans — who enslave, castrate, experiment on, and fillet other animals — have had an understandable penchant for pretending animals do not feel pain.… — Carl Sagan Copy Share Image