
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

The holographic PRINCIPLE suggests...
The Big Bang Theory Season 6, Episode 5

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

In PRINCIPLE, you have a point.
The Big Bang Theory Season 1, Episode 15