Well, congratulations.
4 seconds sound clip from the A Chump at Oxford (1939) movie soundboard.
You can hear this line at 00:55:33 in the DVD version of the movie.
Quote context
[...]
- Who is this coarse person with the foreign accent?
- Why, you little shrimp! Are you trying to rib me now?
- I'm sorry but, er, we've never been introduced. Meredith, will you kindly officiate?
- Mr Hardy, meet Lord Paddington.
- How do you do? What is the nature of your business here?
- Why, Stan, don't you know me?
- Know you? Why, I never saw you before in all my life.
[...]