I think it was, Blessed are the cheese makers.
3 seconds sound clip from the Life of Brian movie soundboard.
You can hear this line at 00:08:45.075 in the Blu-ray version of the movie.
Quote context
[...]
- I was only asking her to shut up so we can hear what he's saying, big nose.
- Don't you call my husband big nose.
- Well, he has got a big nose.
- 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?
- 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.
[...]