“That's wonderful. I do like a man that tells you right out he’s looking out for himself. Don’t we all? I don’t trust a man that says he’s not. And the man that’s telling the truth when he says he’s not I distrust most of all, because he’s and ass and an ass that’s going contrary to the laws of nature.”

“I distrust a man that says when. If he's got to be careful not to drink to much it's because he's not to be trusted when he does.”

“Now I pass up about twenty-five or thirty thousand of honest gain because I like being a detective, like the work. And liking work makes you want to do it as well as you can. Otherwise there’d be no sense to it. That’s the fix I am in. I don’t know anything else, don’t enjoy anything else, don’t want to know or enjoy anything else. You can’t weight that against any sum of money. Money’s good stuff. I haven’t anything against it.”

“If the Old Man said something was so, then it probably was, because he was one of these cautious babies who'll look out the window at a cloudburst and say, "It seems to be raining," on the off-chance that somebody's pouring water off the roof.”

“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.”

“You're drunk, and I'm drunk, and I'm just exactly drunk enough to tell you anything you want to know. That's the kind of girl I am. If I like a person, I'll tell them anything they want to know. Just ask me. Go ahead, ask me.”

“When a man's partner is killed he's supposed to do something about it. It doesn't make any difference what you thought of him. He was your partner and you're supposed to do something about it. Then it happens we were in the detective business. Well, when one of your organization gets killed it's bad business to let the killer get away with it. It's bad all around-bad for that one organization, bad for every detective everywhere. Sam Spade”