“Some are just born bad, and that's all there is to it.”

“Simon sighed. "People aren't born good or bad. Maybe they're born with tendencies either way, but It's the way you live your life that matters.”

“Well, I guess I'll see you around. You're the first Shadowhunter I've ever met." "That's too bad,"said Jace, "since all the ones you meet from now on will be a terrible letdown.”

“No, I'm just a very naughty boy. I do all sorts of bad things. I kick kittens. I make rude gestures at nuns.”

“But that's what you're doing, isn't it? You're part of the fight just as much as the Shadowhunters on the ship—and I know you can take some of my strength, I've heard of warlocks doing that—so I'm offering. Take it. It's yours.”

“The more beautiful the skin is, the more deadly it is. That's what Will's like. All that pretty face and whatnot just hides how twisted up and rotten he is on the inside.”

“People aren't born good or bad. Maybe they're born with tendencies either way, but it's the way you live your life that matters. And the people you know. Valentine was Hodge's friend, and I don't think Hodge really had anyone else in his life to challenge him or make him be a better person. If I'd had that life, I don't know how I would have turned out. But I didn't. I have my family. And I have you.”