Frank Serpico: You know what they say, don't you? If you love a man's garden, you gotta love the man.
Gun shop owner: That gun takes a 14 shot clip. You expecting an army?
Frank Serpico: No. Just a division.
Frank Serpico: You stupid fuck! You didn't know me? You fired without a warning, without a fucking brain in your head? Oh, shit. If I buy one, motherfucker, I ain't buying it from you.
Frank Serpico: Hey, Pasquale, let me tell you something. See, all day long I work with cops, right? When I go out, I see Mary Ann. Her father is a cop, her brother is a cop, her uncle is a cop and I got a feeling she's a cop too.
Frank Serpico: You know, you're pretty fuckin' weird for a cop.
Bob Blair: Me? What about you? You're a fucking hippie.