“The problem with putting two and two together is that sometimes you get four, and sometimes you get twenty-two.”

“The boy spoke two words, the first a short guttural verb, the second “you.”

“He said: "I'm going to send you over. The chances are you'll get off with life. That means you'll be out again in twenty years. You're an angel. I'll wait for you." He cleared his throat. "If they hang you I'll always remember you.”

“We didn't exactly believe your story.'Then --?''We believed your two hundred dollars.''You mean --' She seemed not to know what he meant.'I mean that you paid us more than if you'd been telling the truth,' he explained blandly, 'and enough more to make it all right.”

“I couldn't be fonder of you if you were my own son. But, well, if you lose a son, its possible to get another. There's only one Maltese Falcon.”

“Brigid O'Shaughnessy: “I haven't lived a good life. I've been bad, worse than you could know.” Sam Spade “You know, that's good, because if you actually were as innocent as you pretend to be, we'd never get anywhere”

“I hope they don't hang you, precious, by that sweet neck. Yes, angel, I'm gonna send you over. The chances are you'll get off with life. That means if you're a good girl, you'll be out in 20 years. I'll be waiting for you. If they hang you, I'll always remember you. (Sam Spade to Brigid O'Shaughnessy)”