"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...












More Carl Sagan quotes
"A celibate clergy is an especially good idea, because it tends to suppress any hereditary propensity toward fanaticism.
"The suppression of uncomfortable ideasmay be common in religion and politics, but it is not the path to knowledge; it has no placein the endeavor of s...
"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 ...
"In all our searching, the only thing we've found that makes the emptiness bearable is each other.
"Life is but a momentary glimpse of the wonder of this astounding universe, and it is sad to see so many dreaming it away on spiritual fantasy.
"Does trying to understand the universe at all betray a lack of humility? I believe it is true that humility is the only just response in a confrontati...
"All that we have seen is something of a vast and intricate and lovely universe. There is no particular theological conclusion that comes out of an exe...
"The cosmos is within us. We are made of star-stuff. We are a way for the universe to know itself.
"I would love to believe that when I die I will live again, that some thinking, feeling, remembering part of me will continue. But much as I want to be...
"We are star stuff harvesting sunlight.
"Perhaps the depth of love can be calibrated by the number of different selves that are actively involved in a given relationship.
"Every one of us is, in the cosmic perspective, precious. If a human disagrees with you, let him live. In a hundred billion galaxies, you will not find...
"The Cosmos is all that is or was or ever will be. Our feeblest contemplations of the Cosmos stir us -- there is a tingling in the spine, a catch in th...
"The lifetime of a human being is measured by decades, the lifetime of the Sun is a hundred million times longer. Compared to a star, we are like mayfl...