
The anthropic PRINCIPLE states...
The Big Bang Theory Season 6, Episode 1

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

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

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

...most accurate visualization
of a scientific PRINCIPLE.
The Big Bang Theory Season 1, Episode 6