ARNORA: I see the legends about you are true.

DOCTOR: Legends? Got to love a good legend. Go on then – what do they say? Please don't tell me they mention the ears.

ARNORA: They speak of your incessant babble.

DOCTOR: Ow! It serves a purpose. Self-preservation.

ARNORA: To stop others hurting you?

DOCTOR: To stop me hurting them.