x, 12). Consequently
when a man suffers from a hurt done to the excellence that he loves,
he feels his love thereof the more: the result being that his heart
is moved with greater heat to remove the hindrance to the object of
his love; so that anger increases the fervor of love and makes it to
be felt more.

Nevertheless, the fervor arising from heat differs according as it is
to be referred to love or to anger. Because the fervor of love has a
certain sweetness and gentleness; for it tends to the good that one
loves: whence it is likened to the warmth of the air and of the
blood. For this reason sanguine temperaments are more inclined to
love; and hence the saying that "love springs from the liver,"
because of the blood being formed there. On the other hand, the
fervor of anger has a certain bitterness with a tendency to destroy,
for it seeks to be avenged on the contrary evil: whence it is likened
to the heat of fire and of the bile, and for this reason Damascene
says (De Fide Orth. ii, 16) that it "results from an exhalation of
the bile whence it takes its name _chole_."

Reply Obj. 2: Time, of necessity, weakens all those things, the
causes of which are impaired by time. Now it is evident that memory
is weakened by time; for things which happened long ago easily slip
from our memory. But anger is caused by the memory of a wrong done.
Consequently the cause of anger is impaired little by little as time
goes on, until at length it vanishes altogether. Moreover a wrong
seems greater when it is first felt; and our estimate thereof is
gradually lessened the further the sense of present wrong recedes
into the past. The same applies to love, so long as the cause of love
is in the memory alone; wherefore the Philosopher says (Ethic. viii,
5) that "if a friend's absence lasts long, it seems to make men
forget their friendship." But in the presence of a friend, the cause
of friendship is continually being multiplied by time: wherefore the
friendship increases: and the same would apply to anger, were its
cause continually multiplied.

Nevertheless the very fact that anger soon spends itself proves the
strength of its fervor: for as a great fire is soon spent having
burnt up all the fuel; so too anger, by reason of its vehemence, soon
dies away.

Reply Obj. 3: Every power that is divided in itself is weakened.
Consequently if a man being already angry with one, becomes angry
with another, by this very fact his anger with