• We're in very bad trouble if we don't understand the planet we're trying to save.
    We're in very bad trouble if we don't understand the planet we're trying to save.
    ~ Carl Sagan
  • Somewhere, something incredible is waiting to be known.
    Somewhere, something incredible is waiting to be known.
    ~ Carl Sagan
  • Science is a way of thinking much more than it is a body of knowledge.
    ~ Carl Sagan
  • If you wish to make an apple pie truly from scratch, you must first invent the universe.
    ~ Carl Sagan
  • Science is not only compatible with spirituality; it is a profound source of spirituality.
    ~ Carl Sagan
  • Imagination will often carry us to worlds that never were. But without it we go nowhere.
    ~ Carl Sagan
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