I broke a sacred OATH
and stabbed my King in the back.
Game of Thrones Season 6, Episode 2
We swore an OATH.
Game of Thrones Season 2, Episode 7
I know I broke my OATH.
Game of Thrones Season 1, Episode 1
For 8,000 years
the Night's Watch have sworn an OATH
Game of Thrones Season 5, Episode 5
You swore some stupid OATH
and now you can never touch a girl.
Game of Thrones Season 2, Episode 7