You live near the City, have you ever driven up to the spot where the bronze plaque was placed to commemorate, as a National Literary Landmark, the exact spot where Bridgid O'Shaugnessy "did in" Miles Archer?

From the original script, by John Huston--

Spade: You want the falcon. I've got it. The fall guy's part of the price I'm asking. As for Miss O'Shaughnessy... ...if you think she can be rigged for the part I'm willing to discuss it with you.

Cairo: You seem to forget that you are not in a position to insist upon anything.

Gutman: Now, come, gentlemen. Let's keep our discussion on a friendly basis. There certainly is something in what Mr. Cairo said...

Spade: If you kill me, how are you gonna get the bird? If I know you can't afford to kill me, how'll you scare me into giving it to you?

Gutman: Sir, there are other means of persuasion besides killing and threatening to kill.

Spade: Yes, that's... That's true. But none of them are any good unless the threat of death is behind them. You see what I mean? If you start something, I'll make it a matter of your having to kill me or call it off.

Gutman: That's an attitude, sir, that calls for the most delicate judgement on both sides. Because, as you know, in the heat of action... ...men are likely to forget where their best interests lie... ...and let their emotions carry them away.