Lords of Finance by Liaquat Ahamed (pg. 432)

That weekend Churchill had the star of The Gold Rush, Charlie Chaplin, as a guest at Chartwell, his country house in Kent–they had met in Hollywood when Churchill was visiting the United States in October 1929 at the tine of the crash. Over dinner Chaplin opened the conversation by saying, “You made a great mistake when you went back to the gold standard at the wrong parity of exchange in 1925.”