"I've been thinking lately about you. You and me. About how this is going to end. About who will end up killing who. Perhaps you'll kill me, perhaps I'll kill you. Perhaps sooner, perhaps later. You know that, don't you? I just... I need to know, for when that time comes... that I've made a genuine attempt to talk things over. To try and avert the inevitable. Just once. [grabs "Joker"'s hand] Listen to me! This is life and death - mine or yours. Our relationship, it's fatal! And I don't want your murder on my-- ["Joker" pulls his hand back, leaving white powder on Batman's glove, and Batman realizes it is a decoy]"