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• Sometimes I think the surest sign that intelligent life exists elsewhere in the universe is that none of it has tried to contact us.
  -- Calvi...
• Sometimes I think the surest sign that intelligent life exists elsewhere in the universe is that none of it has tried to contact us.
  -- Bill Watterson, cartoonist of Calvin & Hobbe...
• Quote #259 "sometimes I think the surest sign that intelligent life exists elsewhere in the universe is that none of it has tried to contect us.
  -- -- Calvi...
• Bill Watterson, cartoonist: "Sometimes I think the surest sign that intelligent life exists elsewhere in the universe is that none of it has tried to contact us.
• Sometimes I think the surest sign, that intelligent life exists else where in our universe is, that none of it has tried to contact us.
  Calvi...
• There are many intelligent species in the universe. They all have cats.
• There are many intelligent species in the universe. They are all owned by cats.
• There are many intelligent species in the universe. They all own cats.