5. The "living organism" must mean either the thus organized body,
or the common mixture of soul and body, or some third thing which
proceeds from the two first. In either of these three cases the soul
will have to be considered impassible, while the power of experiencing
passions will inhere in something else; or the soul will have to share
the body's passions, in which case the soul will have to experience
passions either identical or analogous to those of the body, so that to
a desire of the animal there will correspond an act or a passion of the
concupiscible appetite.