...I would've become a THEORETICAL physicist.
The Big Bang Theory Season 8, Episode 7
"The physics is THEORETICAL,
but the fun is real."
The Big Bang Theory Season 3, Episode 7
What would a THEORETICAL physicist
understand about an experiment anyway?
The Big Bang Theory Season 10, Episode 4
She thought if I failed at THEORETICAL physics
that I should have a trade to fall back on.
The Big Bang Theory Season 2, Episode 10
So now let's bring out THEORETICAL physicist,
Dr. Sheldon Cooper!
The Big Bang Theory Season 6, Episode 18