My parents were not scientists. They knew almost nothing about science. But in introducing me simultaneously to skepticism and to wonder, they… — 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
“Why do we put up with it? Do we like to be criticized? No, no scientist enjoys it. Every scientist feels a… — Carl Sagan Copy Share Image
We should be teaching our children the scientific method and the reasons for a Bill of Rights. With it comes a certain… — 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
In science it often happens that scientists say, "You know that's a really good argument; my position is mistaken..." — Carl Sagan Copy Share Image
“In the diagnosis of disease, Hippocrates introduced elements of the scientific method. He urged careful and meticulous observation: “Leave nothing to chance.… — Carl Sagan Copy Share Image
The method of science is tried and true. It is not perfect, it's just the best we have. And to abandon it,… — Carl Sagan Copy Share Image
Indeed the reasoned criticism of a prevailing belief is a service to the proponents of that belief; if they are incapable of… — Carl Sagan Copy Share Image
“Part of the success of the tobacco industry in purveying this brew of addictive poisons can be attributed to widespread unfamiliarity with… — 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
