
We MUST be able
to out-think them.
Vikings Season 1, Episode 7

It MUST be odd for you
Game of Thrones Season 2, Episode 1

Now we MUST steel ourselves
to face the monster who defends the gate.
The Big Bang Theory Season 8, Episode 19

And in the winter,
we MUST protect ourselves,
Game of Thrones Season 1, Episode 3

Any oath that you swear
on these rings MUST be honored and kept.
Vikings Season 1, Episode 1