it were expands where it finds outward vent. There is no one who has
not felt the relative mildness of inward feelings of impatience or
indignation, compared with those engendered by speaking out one's
mind. Often also the outward act entails a long course of preparation,
all during which the inward will is sustained and frequently renewed,
as in a carefully planned burglary.

_Readings_.--St. Thos., 1a 2ae, q. 18, art. 1; _ib_., q. 18, art. 2, in
corp., ad 1; _ib_., q. 18, art. 3, in corp., ad 2; _ib_., q. 18, art.
4-6; _ib_., q. 18, art. 8, in corp., ad 2, 3; _ib_., q. 18, art. 9, in
corp., ad 3; _ib_., q. 18, art. 10, 3; _ib_., q. 18, art. 11, in
corp.; _ib_., q. 20, art. 4, in corp.



CHAPTER IV.

OF PASSIONS.

SECTION I.--_Of Passions in General_.


1. A passion is defined to be: _A movement of the irrational part of
the soul, attended by a notable alteration of the body, on the
apprehension of good or evil._ The soul is made up of intellect, will,
and sensible appetite. The first two are rational, the third
irrational: the third is the seat of the passions. In a disembodied
spirit, or an angel, there are no senses, no sensible appetite, no
passions. The angel, or the departed soul, can love and hate, fear and
desire, rejoice and grieve, but these are not passions in the pure