The Irishman or American Gangster?

Are you a fan of The Irishman? Of American Gangster as well? Prove it! Select which quote belongs to which movie and see how good you are:

If they can whack a President, they can whack a president of a union. You know it and I know it.

Success. It's got enemies. You can be successful and have enemies or you can be unsuccessful and have friends.

The most important thing in business is honesty, integrity, hardwork... family... never forgetting where we came from.

I'm just trying to understand how a person can buy a fish and not know what kind it was.

You don't keep a man waiting. The only time you do is when you want to say something. When you want to say fuck you.

The loudest one in the room is the weakest one in the room.