...the PRINCIPLE that a physical system exists
partially in all its possible states at once.
The Big Bang Theory Season 6, Episode 19
...and I avoid contact with other people
on general PRINCIPLE.
The Big Bang Theory Season 3, Episode 15
In PRINCIPLE, you have a point.
The Big Bang Theory Season 1, Episode 15
Now, the mathematical PRINCIPLE
known as the Kelly Criterion,
Breaking Bad Season 4, Episode 4
I know what the anthropic PRINCIPLE is.
The Big Bang Theory Season 6, Episode 1