Sam Spade: [impatiently] Now, let's *talk* about the black bird.
Kasper Gutman: Let's. Mr. Spade, have you any conception of how much money can be got for that black bird?
Sam Spade: No.
Kasper Gutman: Well, sir, if I told you... If I told you *half*... you'd call me a liar.
Sam Spade: No, not even if I thought so.