Valentine Morgenstern: Look, I know that you have always felt more powerful than everyone else around you. That’s because you are.
Jace Wayland: You experimented on me?
Valentine Morgenstern: I made you stronger, faster… More lethal than any other Shadowhunter.
Jace Wayland: Why?
Valentine Morgenstern: To create the perfect weapon, the ideal marriage of good and evil. A Shadowhunter with pure demon blood.
Valentine Morgenstern (disguised as Michael): I see how attached you are to her, but this kind of thing… doesn’t always make you stronger.
Jace Wayland: Shadowhunters have relationships.
Valentine Morgenstern: Yes, of course. When we find someone, it’s for life. But we’re also warriors, born to serve. And some of us are meant to render greater services than others. I thought you were one of those. Getting involved too deeply with any woman will only weaken your resolve.
Valentine Morgenstern (disguised as Michael to Clary): I’m… I feel as if I know you. You’re so much like your mother. You’re fearless, and loving, and you got a mind of your own. A little stubborn, perhaps? It served Jocelyn well. She hid you from Valentine long enough for you to grow up without him poisoning your mind.