Miller's Crossing or Serpico?

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

The reality is that we do not wash our own laundry - it just gets dirtier.

Nobody knows anybody. Not that well.

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.

You know what they say, don't you? If you love a man's garden, you gotta love the man!

It's amazing. It's incredible. But, I feel like a criminal 'cause I don't take money.

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