22. The first reason which presents itself for this destruction – a purely physical utility, it is true – is this: organic bodies are supported only by the aid of organic matter. This matter alone contains the nutritive elements necessary to their sustenance. The bodies which are instruments of action for the intelligent principle, having need of incessant renovation, Providence makes them serve for their mutual support. That is why beings are nourished by one another. It is thus that body is nourished by body: but the spirit is not changed; it is only despoiled of its envelope.*
* See “Revue Spirite” August 1864, Extinction of the Races.