- We don't owe the Romans anything, Mum.
- Well, that's not entirely true, is it, though?

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

You can hear this line at 00:16:39.388 in the Blu-ray version of the movie.

Quote context

[...]

- Oh, uh, hello, officer. I'll be with you in a few moments, all right, dear?

- What's he doing here?

- Don't start that, Brian. Go and clean your room out.

- Bloody Romans!

- Now look, Brian. If it wasn't for him, we wouldn't have all this. And don't you forget it.

- We don't owe the Romans anything, Mum.

- Well, that's not entirely true, is it, though?

- What do you mean?

- Well, you know you were asking me about your...

- My nose?

- Yes. Well, there's a reason it's like it is, Brian.

- What is it?

- Well, I suppose I should've told you a long time ago, but... Well, Brian... your father isn't Mr. Cohen.

- Well, I never thought he was.

- None of your cheek!

[...]