Prod [Peter Rodd] spent a week at Swinbrook, talking until the family reeled with boredom. No matter what subject was brought up, it seemed he was the world expert. "I know, I know," he would interrupt. "I know, I was an engineer and I..." or "I know, I know, I am a farmer..." The sisters swore he once said, "I know, I know, I am the Pope..."
Mary S. Lovell, The Mitford Girls: The Biography of an Extraordinary Family (Abacus 2002), p.152.