"If they're going to play with the Joker, they'd better be prepared to deal from the bottom of the deck!" - Batman #1
"Madness is the emergency exit. You can just step outside, and close the door on all those dreadful things that happened. You can lock them away... forever." - Batman: The Killing Joke
"And he didn't die all at once. It was hours before the screaming stopped. I almost didn't get to sleep that night. That was the last time I'd used crushed glass..." - The Joker: Devil's Advocate
"You dirty rat! You killed my brother! My sister! My daughter! She's my sister and my daughter!" - Batman: Dark Victory
"It's all a joke! Everything anybody ever valued or struggled for... it's all a monstrous, demented gag! So why can't you see the funny side? Why aren't you laughing?" - Batman: The Killing Joke