Better keep listening. Might be a bit about blessed are the big noses.

3 seconds sound clip from the Life of Brian movie soundboard.

You can hear this line at 00:09:02.050 in the Blu-ray version of the movie.

Quote context

[...]

- What was that?

- I don't know. I was too busy talking to big nose.

- I think it was, Blessed are the cheese makers.

- What's so special about the cheese makers?

- Well, obviously, it's not meant to be taken literally. It refers to any manufacturers of dairy products.

- See, if you hadn't been going on, we'd have heard that, big nose.

- Hey, say that once more, I'll smash your bloody face in!

- Better keep listening. Might be a bit about blessed are the big noses.

- Oh, lay off him.

- Oh, you're not so bad yourself, conk-face. Where are you two from? Nose City?

- One more time, mate, I'll take you to the fucking cleaners!

- Language! And don't pick your nose!

[...]