SECOND ARTICLE [I, Q. 51, Art. 2]

Whether Angels Assume Bodies?

Objection 1: It would seem that angels do not assume bodies. For there

is nothing superfluous in the work of an angel, as there is nothing of

the kind in the work of nature. But it would be superfluous for the

angels to assume bodies, because an angel has no need for a body,

since his own power exceeds all bodily power. Therefore an angel does

not assume a body.

Obj. 2: Further, every assumption is terminated in some union;

because to assume implies a taking to oneself [ad se sumere]. But a

body is not united to an angel as to a form, as stated (A. 1); while

in so far as it is united to the angel as to a mover, it is not said

to be assumed, otherwise it would follow that all bodies moved by the

angels are assumed by them. Therefore the angels do not assume bodies.

Obj. 3: Further, angels do not assume bodies from the earth or water,

or they could not suddenly disappear; nor again from fire, otherwise

they would burn whatever things they touched; nor again from air,

because air is without shape or color. Therefore the angels do not

assume bodies.

_On the contrary,_ Augustine says (De Civ. Dei xvi) that angels

appeared to Abraham under assumed bodies.

_I answer that,_ Some have maintained that the angels never assume

bodies, but that all that we read in Scripture of apparitions of

angels happened in prophetic vision--that is, according to

imagination. But this is contrary to the intent of Scripture; for

whatever is beheld in imaginary vision is only in the beholder's

imagination, and consequently is not seen by everybody. Yet Divine

Scripture from time to time introduces angels so apparent as to be

seen commonly by all; just as the angels who appeared to Abraham were

seen by him and by his whole family, by Lot, and by the citizens of

Sodom; in like manner the angel who appeared to Tobias was seen by all

present. From all this it is clearly shown that such apparitions were

beheld by bodily vision, whereby the object seen exists outside the

person beholding it, and can accordingly be seen by all. Now by such a

vision only a body can be beheld. Consequently, since the angels are

not bodies, nor have they bodies naturally united with them, as is

clear from what has been said (A. 1; Q. 50, A. 1), it follows that

they sometimes assume bodies.

Reply Obj. 1: Angels need an assumed body, not for themselves, but on

our account; that by conversing familiarly with men they may give

evidence of that intellectual companionship which men expect to have

with them in the life to come. Moreover that angels assumed bodies

under the Old Law was a figurative indication that the Word of God

would take a human body; because all the apparitions in the Old

Testament were ordained to that one whereby the Son of God appeared

in the flesh.

Reply Obj. 2: The body assumed is united to the angel not as its

form, nor merely as its mover, but as its mover represented by the

assumed movable body. For as in the Sacred Scripture the properties

of intelligible things are set forth by the likenesses of things

sensible, in the same way by Divine power sensible bodies are so

fashioned by angels as fittingly to represent the intelligible

properties of an angel. And this is what we mean by an angel

assuming a body.

Reply Obj. 3: Although air as long as it is in a state of rarefaction

has neither shape nor color, yet when condensed it can both be shaped

and colored as appears in the clouds. Even so the angels assume

bodies of air, condensing it by the Divine power in so far as is

needful for forming the assumed body.

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Summa Theologica, Part I (Prima Pars) From the Complete American Edition · 第 338 / 722 题