A new consciousness is developing which sees the earth as a... - Carl Sagan

"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 planet. One of the great revelations of the age of space exploration is the image of the earth finite and lonely, somehow vulnerable, bearing the entire human species through the oceans of space and time."

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More quotes by Carl Sagan

"In that case, on behalf of Earthlife, I urge that, with full knowledge of our limitations, we vastly increase our knowledge of the Solar System and then begin to settle other worlds."
"A celibate clergy is an especially good idea, because it tends to suppress any hereditary propensity toward fanaticism."
"Somewhere, something incredible is waiting to be known."
"Science is a way of thinking much more than it is a body of knowledge."
"If it can be destroyed by the truth, it deserves to be destroyed by the truth."