“My guess might be excellent or it might be crummy, but Mrs. Spade...” – Sam Spade, The Maltese Falcon ... Movie Quotes Database

My guess might be excellent or it might be crummy, but Mrs. Spade didn't raise any children dippy enough to make guesses in front of a district attorney, and an assistant district attorney, and a stenographer.

More from The Maltese Falcon

Sam Spade Don't be too sure I'm as crooked as I'm supposed to be. That sort of reputation might be good business, bringing high-priced jobs and making it easier to deal with the enemy, but a lot more money would have been one more item on your side of the scale. Sam Spade You're a good man, sister. Sam Spade You're good, you're very good.