Brienne of Tarth (to Catelyn): I do not know your son, My Lady… but I could serve you if you would have me. You have courage. Not battle courage, perhaps, but, I don’t know… a woman’s kind of courage. And I think that when the time comes, you will not hold me back.

From Game of Thrones – Season 2 Episode 5: ‘The Ghosts of Harrenhal’ (2×05)