- Adam Dunne: Harry is an artist without an art.
- Mary Bristol: What does that mean?
- Adam Dunne: Well, that is something that could make a man very unhappy, Mary, groping for the right level, the means with which to express himself.
- Mary Bristol: Yes, he is that. Is not he? I like that, Adam. It is a very nice thought.
- Adam Dunne: Yes, but it can be dangerous.
- Opening voice-over: Night and the city. The night is tonight, tomorrow night... or any night. The city is London.
- Phil Nosseross, Silver Fox Club: You don't know what you're getting into.
- Helen Nosseross: I know what I'm getting out of.
- Mary Bristol: Harry. Harry. You could have been anything. Anything. You had brains... ambition. You worked harder than any 10 men. But the wrong things. Always the wrong things.
- Mary Bristol: Harry, do you know what you're doing? You're killing me. You're killing me and yourself.
- Hermes Kristo: You're very sharp Mr. Fabian. You've done a very sharp thing. Maybe even sharp enough to cut your throat.
- Mary Bristol: [Opening dialogue as she suddenly comes in and sees Harry going through her purse] You won't find any money in there, Harry.
- Mary Bristol: Maybe it was all my fault, Harry. I didn't know how to help you. No woman could love anybody like I loved you. But you kept me shut out from so much. I couldn't keep up with you. Oh Harry, Harry. You could have been anything, anything. You had brains, ambition, you worked harder than any ten men, but the wrong things, always the wrong things.
- Phil Nosseross, Silver Fox Club: I read all about it in The Times. "Mr Fabian, it is reported, is suffering from a highly inflamed imagination, coupled by delusions of grandeur."
- Figler: I don't trust no one and I'm not doing business with anyone but Mr Kristo. Not for a thousand quid I ain't.
- Hermes Kristo: You've made my father believe in you but I know you. Born a hustler, you will die a hustler.