I'm a Roman! I can prove it! Honestly!
3 seconds sound clip from the Life of Brian movie soundboard.
You can hear this line at 01:11:08.867 in the Blu-ray version of the movie.
Quote context
[...]
- You're not... Are you not thinking of giving it a miss this year, then, sir?
- Well, it's just that they're in a rather funny mood today, sir.
- Weally, centuwion, I'm surpwised to hear a man like you wattled by a wabble of wowdy webels.
- I'm a Roman! I can prove it! Honestly!
- Let me come with you, Pontius. I may be of some assistance if there is a sudden crisis.
- Right. Now item four: Attainment of world supremacy within the next five years.
[...]