
No one MUST know what you do
and we'll not speak of this again.
Game of Thrones Season 2, Episode 4

Then we MUST find a crew.
Vikings Season 1, Episode 1

All men MUST die,
but not all can die in glory.
Game of Thrones Season 5, Episode 4

You MUST shape
the horse to the rider.
Game of Thrones Season 1, Episode 4

But there are things you MUST know.
Game of Thrones Season 1, Episode 5