
That's sort of like
the uncertainly PRINCIPLE.
The Big Bang Theory Season 4, Episode 20

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

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

I know what the anthropic PRINCIPLE is.
The Big Bang Theory Season 6, Episode 1