I ASSURE you a madman
is scarier than a skeleton.
Money Heist Season 1, Episode 1
I ASSURE you, she would be of no help.
Game of Thrones Season 4, Episode 8
I ASSURE you I do.
Westworld Season 2, Episode 3
Let me ASSURE you, we will not
engage in workplace coitus.
The Big Bang Theory Season 12, Episode 5
I ASSURE you,
I could kill you from way over here...
Breaking Bad Season 3, Episode 13