In the Bible, God instructs Moses to burn incense sweet and to His liking. Does God have nostrils? How can a god prefer one smell of this earth to another? The rudiments of decay complete a cycle necessary for growth and deliverance. Carrion smells offensive to us, but delicious to those animals who rely on it for food. What they excrete will make the soil rich and the crops abundant. There is no need for divine election. Perception is itself a form of grace.