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  • Carl Sagan Quotes   592
  • What distinguishes our species is thought. The cerebral cortex is in a way a liberation. We need no longer be trapped in the genetically inherited behavior patterns of lizards and baboons: territoriality and aggression and dominance hierarchies. We are each of us largely responsible for what gets put in to our brains. For what as adults we wind up caring for and knowing about. No longer at the mercy of the reptile brain we can change ourselves. Think of the possibilities.
    • 5 years ago



    Tags : Carl Sagan Quotes , Caring Quotes , Thinking Quotes
  • We are the product of 4.5 billion years of fortuitous, slow biological evolution. There is no reason to think that the evolutionary process has stopped. Man is a transitional animal. He is not the climax of creation.
    • 5 years ago



    Tags : Carl Sagan Quotes , Animal Quotes , Men Quotes
  • What a splendid perspective contact with a profoundly different civilization might provide! In a cosmic setting vast and old beyond ordinary human understanding we are a little lonely, and we ponder the ultimate significance, if any, of our tiny but exquisite blue planet, the Earth.... In the deepest sense the search for extraterrestrial intelligence is a search for ourselves.
    • 5 years ago



    Tags : Carl Sagan Quotes , Lonely Quotes , Blue Quotes
  • We are...capable of using our compassion and our intelligence, our technology and our wealth, to make an abundant and meaningful life for every inhabitant of this planet. To enhance enormously our understanding of the Universe, and to carry us to the stars.
    • 5 years ago



    Tags : Carl Sagan Quotes , Meaningful Quotes , Stars Quotes