
...the PRINCIPLE that a physical system exists
partially in all its possible states at once.
The Big Bang Theory Season 6, Episode 19

The basic PRINCIPLE is, I lend you money,
Game of Thrones Season 3, Episode 3

Now, the mathematical PRINCIPLE
known as the Kelly Criterion,
Breaking Bad Season 4, Episode 4

Point is, Sheldon, the legal PRINCIPLE...
The Big Bang Theory Season 4, Episode 21

Leonard, where do you stand
on the anthropic PRINCIPLE?
The Big Bang Theory Season 6, Episode 1