“Do… or do not.  Care less, I could not.”

-Yoda, excerpt from the original draft of the Star Wars: Episode V script, circa 1978; The part of Yoda was originally earmarked to be played by an aging Marlon Brando, but after multiple readings George Lucas decided it was too gritty a take on this crucial character.  To fill the role, Lucas approached his puppeteers asking for a cross between Brando and Kermit the Frog.  I think you’ll agree they hit the nail on the head. –