• I believe whatever doesn't kill you simply makes you... stranger
• You won't kill me out of some misplaced sense of self-righteousness, and I won't kill you, because you're just too much fun. I think you and I are destined to do this forever.
• I took Gotham's white knight, and brought him down to our level. It wasn't hard. Y'see, madness, as you know, is like gravity. All it takes is a little...push.
• See, I'm not a monster...I'm just ahead of the curve
• If you're good at something, never do it for free.
• You just couldn't let me go, could you?
• You didn't think I'd risk the battle for Gotham's soul in a fistfight with you?
• Kill you? I don't want to kill you! What would I do without you? Go back to ripping off mob dealers? No, no, you... you complete me.
• Let's turn the clocks back. A year ago, these cops and lawyers wouldn't dare cross any of you. I mean, what happened? Did your - did your balls drop off? Hmm?
• This town deserves a better class of criminal... and I'm gonna give it to them