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and to exercise vital functions, did not possess these functions.
Therefore the angels exercise functions of life in the assumed body.
Obj. 2: Further, in the works of the angels there is nothing without
a purpose. But eyes, nostrils, and the other instruments of the
senses, would be fashioned without a purpose in the body assumed by
the angel, if he perceived nothing by their means. Consequently, the
angel perceives by the assumed body; and this is the most special
function of life.
Obj. 3: Further, to move hither and thither is one of the functions
of life, as the Philosopher says (De Anima ii). But the angels are
manifestly seen to move in their assumed bodies. For it was said
(Gen. 18:16) that "Abraham walked with" the angels, who had appeared
to him, "bringing them on the way"; and when Tobias said to the angel
(Tob. 5:7, 8): "Knowest thou the way that leadeth to the city of
Medes?" he answered: "I know it; and I have often walked through all
the ways thereof." Therefore the angels often exercise functions of
life in assumed bodies.
Obj. 4: Further, speech is the function of a living subject, for it
is produced by the voice, while the voice itself is a sound conveyed
from the mouth. But it is evident from many passages of Sacred
Scripture that angels spoke in assumed bodies. Therefore in their
assumed bodies they exercise functions of life.
Obj. 5: Further, eating is a purely animal function. Hence the Lord
after His Resurrection ate with His disciples in proof of having
resumed life (Luke 24). Now when angels appeared in their assumed
bodies they ate, and Abraham offered them food, after having
previously adored them as God (Gen. 18). Therefore the angels
exercise functions of life in assumed bodies.
Obj. 6: Further, to beget offspring is a vital act. But this has
befallen the angels in their assumed bodies; for it is related:
"After the sons of God went in to the daughters of men, and they
brought forth children, these are the mighty men of old, men of
renown" (Gen. 6:4). Consequently the angels exercised vital
functions in their assumed bodies.
_On the contrary,_ The bodies assumed by angels have no life, as was
stated in the previous article (ad 3). Therefore they cannot exercise
functions of life through assumed bodies.
_I answer that,_ Some functions of living subjects have something in
common with other operations; just as speech, which is the function of
a living creature, agrees with oth
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