Big Bang Theory Quote
Leonard: I deliberately tried to sabotage Stuart's date with Penny.
Raj: Of course you feel terrible. You completely screwed up your karma, dude.
Sheldon: You don't really believe in that superstition, do you?
Raj: It's not superstition, it's practically Newtonian. For every action there's an equal and opposite reaction. Leonard pretends to be a friend and acts like a two-faced bitch. Therefore, he is reborn as a banana slug. It's actually a very elegant system. You know, what goes around comes around.
Howard: (motions Raj to return to working on the space toilet) Speaking of what goes around comes around...
Quote from S02E22 - The Classified Materials Turbulence