They don't have DISCIPLINE.
They don't have armor.
Game of Thrones Season 1, Episode 5
You didn't get much DISCIPLINE
as a child, did you?
Game of Thrones Season 6, Episode 4
When soldiers lack DISCIPLINE,
the fault lies with their commander.
Game of Thrones Season 1, Episode 9
Their DISCIPLINE
and loyalty are absolute.
Game of Thrones Season 3, Episode 1
No DISCIPLINE. No training.
Game of Thrones Season 4, Episode 9