...and I can personally GUARANTEE...
The Big Bang Theory Season 6, Episode 9
No judge can GUARANTEE you
walking free, none.
Money Heist Season 1, Episode 11
...I can GUARANTEE your death.
The Big Bang Theory Season 8, Episode 9
I can pretty much GUARANTEE it.
I wish I had your certainty,
Breaking Bad Season 5, Episode 15
Well, there is a genetic component,
but that doesn't GUARANTEE anything.
The Big Bang Theory Season 10, Episode 8