"A new consciousness is developing which sees the earth as a single organism and recognizes that an organism at war with itself is doomed. We are one p...
We are all star stuff.
More Carl Sagan quotes
"There is a wide yawning black infinity. In every direction the extension is endless, the sensation of depth is overwhelming. And the darkness is immor...
"Birds know, better than humans, not to spoil the nest.
"The sky calls to us. If we do not destroy ourselves, we will one day venture to the stars.
"If it takes a little myth and ritual to get us through a night that seems endless, who among us cannot sympathize and understand?
"It is the responsibility of scientists never to suppress knowledge, no matter how awkward that knowledge is, no matter how it may bother those in powe...
"We are the only species on the planet, so far as we know, to have invented a communal memory stored neither in our genes nor in our brains. The wareho...
"One of the great commandments of science is, "Mistrust arguments from authority." (Scientists, being primates, and thus given to dominance hierarchies...
"I try not to think with my gut. If I'm serious about understanding the world, thinking with anything besides my brain, as tempting as that might be, i...
"We've arranged a civilization in which most crucial elements profoundly depend on science and technology. We have also arranged things so that almost ...
"A celibate clergy is an especially good idea, because it tends to suppress any hereditary propensity toward fanaticism.
"Science is a way of thinking much more than it is a body of knowledge.
"Science is based on experiment, on a willingness to challenge old dogma, on an openness to see the universe as it really is. Accordingly, science some...
"Some information is classified legitimately; as with military hardware, secrecy sometimes really is in the national interest. Further, military, polit...
"I consider it an extremely dangerous doctrine, because the more likely we are to assume that the solution comes from the outside, the less likely we a...