
...and you can't PROVE string theory.
The Big Bang Theory Season 1, Episode 3

To PROVE a stupid point
to your husband!
The Big Bang Theory Season 12, Episode 15

I'll PROVE my worth.
Game of Thrones Season 5, Episode 6

The fact that I'm home safe
doesn't PROVE it worked.
The Big Bang Theory Season 3, Episode 1

No, why are you going to so much trouble
to PROVE that you're smarter than Wolowitz?
The Big Bang Theory Season 8, Episode 2