"When a man's partner is killed he's supposed to do something about it. It doesn't make any difference what you thought of him. He was your partner and you're supposed to do something about it. Then it happens we are in the detective business. Well, when one of your organization gets killed it's bad business to let the killer get away with it. It's bad all around - bad for that one organization, bad for every detective everywhere." - Sam Spade

"You wanna get Capone? Here's how you get him: He pulls a knife, you pull a gun. He sends one of yours to the hospital, you send one of his to the morgue! That's the Chicago way, and that's how you get Capone!" - Jim Malone

Don't you understand that when you go out for revenge you have to dig two graves? You will.