“With the rise of classical Greece, the soul debate evolved into the more familiar heart-versus-brain, the liver having been demoted to an accessory role. We are fortunate that this is so, for we would otherwise have been faced with Celine Dion singing "My Liver Belongs to You" and movie houses playing The Liver Is a Lonely Hunter. Every Spanish love song that contains the word corazon, which is all of them, would contain the somewhat less lilting higado, and bumper stickers would proclaim, "I [liver symbol] my Pekingese.”