Lloyd George? There is no Lloyd George. There is a marvellous brain; but if you were to shut him in a room and look through the keyhole there would be nobody there.
Notes from Wikiquote
Sometimes also attributed to John Maynard Keynes.
Quote text and notes from Wikiquote: Margot Asquith (page history), available under CC BY-SA 4.0. Source quality and labels are our own summary of what Wikiquote records.