“Do you want to know why I use a knife? Guns are too quick. You can't...” – The Joker, The Dark Knight ... Movie Quotes Database

[To a policeman]

Do you want to know why I use a knife? Guns are too quick. You can't savor all of the...little...emotions. You see, in their...last moments, people show you who they really are. So in a way...I knew your friends better than you ever did. [pause] Would you like to know which of them were cowards?

More from The Dark Knight

The Joker When the chips are down, these, uh...civilized people, they'll eat each other. The Joker Let's wind the clock back a year. These cops and lawyers wouldn't dare cross any of you. I mean...what happened? Did your–did your balls drop off? Hm? The Joker Oh, and by the way, the suit? It wasn't cheap. You oughta know, you bought it.