Swear you won't tell
Sheldon what happened!
The Big Bang Theory Season 5, Episode 2
I SWEAR it by the Old Gods and the New.
Game of Thrones Season 5, Episode 2
Swear your brother
and Samwell Tarly to secrecy,
Game of Thrones Season 8, Episode 4
Oh, man. Oh, man. I SWEAR to God,
I didn't know he was gonna kill him, man.
Breaking Bad Season 5, Episode 13
I SWEAR it.
Game of Thrones Season 8, Episode 4