The Conversation (1974) Written and directed by Francis Ford Coppola. Gene Hackman as Harry Caul and John Cazale as Stan (not pictured).
Stan: I can’t see why a couple of questions about what the hell’s going on can get you so outta joint.
Harry: ‘Cause I can’t sit here and explain the personal problems of my clients.
Stan: It wouldn’t hurt if you filled me in a little bit once in a while. Did you ever think of that?
Harry: It has nothing to do with me and even less to do with you.
Stan: It’s curiosity. Did you ever hear of that? It’s just goddamn human nature.
Harry: Listen. If there is one surefire rule that I have learned in this business is that I don’t know anything about human nature. I don’t know anything about curiosity. I don’t… that’s not part of what I do. What I… this is my business.
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