
of Heisenberg's
uncertainty PRINCIPLE,
The Big Bang Theory Season 5, Episode 5

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

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

should avoid espousing
the PRINCIPLE
The Big Bang Theory Season 7, Episode 22

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