Picard: "Return that moon to its orbit."
Q:      "I have no powers!  Q, the ordinary!"
Picard: "Q, the liar!  Q, the misanthrope!"
Q:      "Q, the miserable, Q, the desperate!  What must I do to
         convince you people?"
Worf:   "Die."
Q:      "Oh, very clever, Worf.  Eat any good books lately?"
                        -- Star Trek: The Next Generation, "Deja Q"