Carl Sagan

  • Somewhere, something incredible is waiting to be known.
  • If you want to make an apple pie from scratch, you must first create the universe.
  • Imagination will often carry us to worlds that never were. But without it we go nowhere.
  • Absence of evidence is not evidence of absence.
  • We are like butterflies who flutter for a day and think it is forever.
  • Extraordinary claims require extraordinary evidence.