Frank Costello: When you decide to be something, you can be it. That’s what they don’t tell you in the church. When I was your age they would say we can become cops, or criminals. Today, what I’m saying to you is this: when you’re facing a loaded gun, what’s the difference?
Oliver Queenan: Do you have any idea what we do in our department?
Billy Costigan: As a matter of fact, I do. I…
Dignam: Let’s say you have no idea, zero, none. If you had an idea about we do we wouldn’t be good at what we do now would we? We would be cunts, you callin’ us cunts?
[Watching Costigan beat up the Providence gangsters, destroying his store in the process]
Pakistani Proprietor: What’s wrong with this fucking country? Everybody hates everybody!