Dumbo or Raging Bull?

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

If you win, you win. If you lose, you still win. There's no way you can lose.

Last time I checked, they invented the stairs!

- Is that a monkey in your desk?

- Just for emergencies.

- Go get 'em, champ.

- I'm da boss, I'm da boss, I'm da boss, I'm da boss, I'm da boss

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

Who's an animal? Your mother's an animal, ya son of a bitch.