Dumbo or Miller's Crossing?

Are you a fan of Miller's Crossing? Of Dumbo as well? Prove it! Select which quote belongs to which movie and see how good you are:

Nobody knows anybody. Not that well.

Last time I checked, they invented the stairs!

Never do anything I tell you, without checking with me first.

- Is that a monkey in your desk?

- Just for emergencies.

If you want me to keep my mouth shut, it's gonna cost you some dough. I figure a thousand bucks is reasonable, so I want two.

If I'd known we were gonna cast our feelings into words, I'd've memorized the Song of Solomon.