Serpico or The Irishman?

Are you a fan of Serpico? Of The Irishman 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.

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

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

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