Sansa Stark: There's nothing you can do.

Tyrion Lannister: You might be surprised at the lengths I'd go to avoid joining the Army of the Dead. I could think of no organization less suited to my talents.

Sansa Stark: Witty remarks won't make a difference. That's why we're down here, none of us can do anything. It's the truth. It's the most heroic thing we can do now... look the truth in the face.