It's an innovative approach, to be sure. "I've always found that when one has no teacher, we become our own best instructors." He thinks back: Dover. The cell he was in before that. The way he survived, the way he helped Tonks and Anthony to survive: those weren't things he was taught. They were pure instinct, based on other knowledge.

"And you know of Hogwarts. I very much enjoyed it there."

He wonders about Morganna: she seems old. Old as the stars.