Penny : Morning Sheldon, come dance with me.
Sheldon : No.
Penny : Why not ?
Sheldon : Penny, while I subscribe to the ‘many worlds’ theory Which pots the existence of an infinite number of Sheldons in an infinite number of universes, I assure you that in none of them am I dancing.The Big Bang Theory 3.03 - The Gothowitz Deviation
Sheldon: —and what do we know from this?
Penny: Um, we know that… Newton was a really smart cookie.
Sheldon: ….
Penny: OH! Is that where Fig Newtons come from?
Sheldon: No, Fig Newtons are named after a small town in Massachusetts. Don’t write that down!