Big Bang Theory Quote
Penny: I was wondering if you could maybe teach me a little physics.
Sheldon: A little physics?.. There's no such thing. Physics encompasses the entire universe. From quantum particles to supernovas. From spinning electrons to spinning galaxies.
Penny: Okay, cool, I don't need the PBS special. I wanna know enough so I can talk to Leonard about his job. Like Bernadette does.
Sheldon: Why can't Leonard teach you?
Penny: Because I wanna surprise him.
Sheldon: Can't you surprise him in some other way? For example, I'm sure he'd be delightfully taken aback if you clean your apartment.
Quote from S03E10 - The Gorilla Experiment