13. Bodies being exclusively material are subject to the vicissitudes of matter. After having for some time operated, it becomes disorganized and decomposed. The vital principle, no longer finding an element for its activity, is extinguished, and the body dies. The Spirit, for whom the body deprived of life is henceforth useless, leaves it as one moves away from a ruined house, or throws an article of wearing apparel aside, after it is no longer serviceable.