"to keep the wolf from the door," but because of the wolf in the
heart, the overgrown psychical desire, which is bred in many a
well-nourished, warmly clad, comfortably housed, highly educated
citizen. There is a sin born of "fulness of bread."

_Readings_.--St. Thos., 1a 2a, q. 30, art. 3, in corp.; _ib_., q. 30,
art. 4, in corp.; Ar., _Eth_., III., xi., 1-4: Ar., _Pol_., I., ix.,
13; _ib_., II., vii., 11-13.

N.B.--The division of desires into _physical_ and _psychical_ is first
suggested by Plato, who (_Rep._ 558 D to 559 C) divides them as
_necessary_ and _unnecessary_. Unnecessary desires he treats as evil.
What Plato calls a _necessary_, Aristotle calls a _physical_, and St.
Thomas a _natural_ desire. Unfortunately, Aristotle and St. Thomas had
but one word for our English two, _physical_ and _natural_. Desires
that are not physical, not natural nor necessary to man in his animal
capacity, may be highly natural and becoming to man as he is a
reasonable being, or they may be highly unbecoming. These psychical
desires, called by St. Thomas _not natural_, take in at once the
noblest and the basest aspirations of humanity.


SECTION III.--_Of Delight_.


1. Delight like desire may be either physical or psychical. All that
has been said above of desire under this division applies also to
delight, which is the realization of desire. This division does not
altogether fall in with that into _sensual_ delights and
_intellectual_ delights. A professional wine-taster could hardly be