Brother Zachariah: I owe you my life, and I would do anything to help you. For that very reason, I must refuse your request.

Magnus Bane: How is that helping? I can't do this on my own!

Brother Zachariah: You can. Pull the memories from your mind and send them to oblivion. You have the magic. You simply don't have the heart. Because deep down, you know you'll regret it.