The sky calls to us. If we do not destroy ourselves, we will one day venture to the stars.
Carl SaganOne glance at a book and you hear the voice of another person, perhaps someone dead for 1,000 years. To read is to voyage through time.
Carl SaganExcept for children (who don't know enough not to ask the important questions), few of us spendtime wondering why nature is the way it is . . .
Carl SaganWhat 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.
Carl Sagan