Who said "I don't want to kill you. What would I do without you?"?

This quote is attributed to The Joker.

I don't want to kill you. What would I do without you? - The Joker

"I don't want to kill you. What would I do without you?"

The Joker Relationships

"All you care about is money. This town deserves a better class of criminal."

"I'm not a monster. I'm just ahead of the curve."

"Madness is like gravity. All it takes is a little push."

"Everything burns."

"The key to a happy marriage is communication."

"Marriage is about compromise and understanding."

"Life's greatest treasures are relationships."

"Trust is a luxury I can't afford."