Sir, if you don't calm down, I'm gonna have to ask you to leave.
6 seconds sound clip from the The Big Lebowski movie soundboard.
You can hear this line at 00:53:58 in the Blu-ray version of the movie.
Quote context
[...]
- Now, so far we have what appears to me to be a series of victimless crimes.
- Forget about the fucking toe!
- Excuse me, sir. Could you please keep your voices down? This is a family restaurant.
- Oh, please! Dear, for your information, the Supreme Court has roundly rejected prior restraint.
- Come on. Walter, this is not a First Amendment thing, man.
- Sir, if you don't calm down, I'm gonna have to ask you to leave.
- Hey, Dude, don't go away, man.
- Come on. This affects all of us, man! It's our basic freedoms!
- I'm staying. I'm finishing my coffee. Enjoying my coffee.
[...]