Imagination will often carry us to worlds that never were. But without it we go nowhere. Carl Sagan carryimaginationworld Change image and share on social
We live in a society exquisitely dependent on science and technology, in which hardly anyone knows anything about science and technology. Carl Sagan dependentexquisitelylive Change image and share on social
The brain is like a muscle. When it is in use we feel very good. Understanding is joyous. Carl Sagan brainfeelgood Change image and share on social
Personally, I would be delighted if there were a life after death, especially if it permitted me to continue to learn about this world and others, if it gave me a chance to discover how history turns out. Carl Sagan chancecontinuedeath share on social
Skeptical scrutiny is the means, in both science and religion, by which deep thoughts can be winnowed from deep nonsense. Carl Sagan deepmeannonsense Change image and share on social
We have also arranged things so that almost no one understands science and technology. This is a prescription for disaster. We might get away with it for a while, but sooner or later this combustible mixture of ignorance and power is going to blow up in our faces. Carl Sagan arrangeblowcombustible share on social
But the fact that some geniuses were laughed at does not imply that all who are laughed at are geniuses. They laughed at Columbus, they laughed at Fulton, they laughed at the Wright Brothers. But they also laughed at Bozo the Clown. Carl Sagan bozobrotherclown share on social
Who are we? We find that we live on an insignificant planet of a humdrum star lost in a galaxy tucked away in some forgotten corner of a universe in which there are far more galaxies than people. Carl Sagan cornerfindforget Change image and share on social
All of the books in the world contain no more information than is broadcast as video in a single large American city in a single year. Not all bits have equal value. Carl Sagan americanbitbook Change image and share on social
When you make the finding yourself - even if you're the last person on Earth to see the light - you'll never forget it. Carl Sagan earthfindforget Change image and share on social