I have to tell you that while I do have
a THEORETICAL understanding...
The Big Bang Theory Season 2, Episode 5
...to succeed in THEORETICAL physics.
The Big Bang Theory Season 2, Episode 6
...I would've become a THEORETICAL physicist.
The Big Bang Theory Season 8, Episode 7
Of course not.
I'm a THEORETICAL physicist.
The Big Bang Theory Season 2, Episode 23
She's a neurobiologist, and
I'm a THEORETICAL physicist.
The Big Bang Theory Season 7, Episode 21