A parable is equally an ingenious tale intended to correct manners, but it can be "true" in the sense that "when this kind of actual event happens among men, this is what it means and this is how we should think about it", while an apologue, with its introduction of animals and plants, to which it lends ideas, language and emotions, contains only metaphoric truth: "when this kind of situation exists anywhere in the world, here is an interesting truth about it."