Is this about the temperature setting?
I can ASSURE you that will not happen...
Breaking Bad Season 3, Episode 8
I ASSURE you,
I could kill you from way over here...
Breaking Bad Season 3, Episode 13
...of universes, I ASSURE you
that none of them am I dancing.
The Big Bang Theory Season 3, Episode 3
I can ASSURE you that the
closest Maester Faull
Game of Thrones Season 4, Episode 9
I ASSURE you, she's still a virgin.
Game of Thrones Season 5, Episode 3