SECOND ARTICLE [I, Q. 55, Art. 2]

Whether the Angels Understand by Species Drawn from Things?

Objection 1: It would seem that the angels understand by species drawn

from things. For everything understood is apprehended by some likeness

within him who understands it. But the likeness of the thing existing

in another is there either by way of an exemplar, so that the likeness

is the cause of the thing; or else by way of an image, so that it is

caused by such thing. All knowledge, then, of the person understanding

must either be the cause of the object understood, or else caused by

it. Now the angel's knowledge is not the cause of existing things;

that belongs to the Divine knowledge alone. Therefore it is necessary

for the species, by which the angelic mind understands, to be derived

from things.

Obj. 2: Further, the angelic light is stronger than the light of the

active intellect of the soul. But the light of the active intellect

abstracts intelligible species from phantasms. Therefore the light of

the angelic mind can also abstract species from sensible things. So

there is nothing to hinder us from saying that the angel understands

through species drawn from things.

Obj. 3: Further, the species in the intellect are indifferent to

what is present or distant, except in so far as they are taken from

sensible objects. Therefore, if the angel does not understand by

species drawn from things, his knowledge would be indifferent as to

things present and distant; and so he would be moved locally to no

purpose.

_On the contrary,_ Dionysius says (Div. Nom. vii) that the "angels do

not gather their Divine knowledge from things divisible or sensible."

_I answer that,_ The species whereby the angels understand are not

drawn from things, but are connatural to them. For we must observe that

there is a similarity between the distinction and order of spiritual

substances and the distinction and order of corporeal substances. The

highest bodies have in their nature a potentiality which is fully

perfected by the form; whereas in the lower bodies the potentiality of

matter is not entirely perfected by the form, but receives from some

agent, now one form, now another. In like fashion also the lower

intellectual substances --that is to say, human souls--have a power

of understanding which is not naturally complete, but is successively

completed in them by their drawing intelligible species from things.

But in the higher spiritual substances--that is, the angels--the

power of understanding is naturally complete by intelligible species,

in so far as they have such species connatural to them, so as to

understand all things which they can know naturally.

The same is evident from the manner of existence of such substances.

The lower spiritual substances--that is, souls--have a nature akin to

a body, in so far as they are the forms of bodies: and consequently

from their very mode of existence it behooves them to seek their

intelligible perfection from bodies, and through bodies; otherwise

they would be united with bodies to no purpose. On the other hand,

the higher substances--that is, the angels--are utterly free from

bodies, and subsist immaterially and in their own intelligible

nature; consequently they attain their intelligible perfection

through an intelligible outpouring, whereby they received from God

the species of things known, together with their intellectual nature.

Hence Augustine says (Gen. ad lit. ii, 8): "The other things which

are lower than the angels are so created that they first receive

existence in the knowledge of the rational creature, and then in

their own nature."

Reply Obj. 1: There are images of creatures in the angel's mind, not,

indeed derived from creatures, but from God, Who is the cause of

creatures, and in Whom the likenesses of creatures first exist. Hence

Augustine says (Gen. ad lit. ii, 8) that, "As the type, according to

which the creature is fashioned, is in the Word of God before the

creature which is fashioned, so the knowledge of the same type exists

first in the intellectual creature, and is afterwards the very

fashioning of the creature."

Reply Obj. 2: To go from one extreme to the other it is necessary to

pass through the middle. Now the nature of a form in the imagination,

which form is without matter but not without material conditions,

stands midway between the nature of a form which is in matter, and

the nature of a form which is in the intellect by abstraction from

matter and from material conditions. Consequently, however powerful

the angelic mind might be, it could not reduce material forms to an

intelligible condition, except it were first to reduce them to the

nature of imagined forms; which is impossible, since the angel has no

imagination, as was said above (Q. 54, A. 5). Even granted that he

could abstract intelligible species from material things, yet he

would not do so; because he would not need them, for he has

connatural intelligible species.

Reply Obj. 3: The angel's knowledge is quite indifferent as to what

is near or distant. Nevertheless his local movement is not

purposeless on that account: for he is not moved to a place for the

purpose of acquiring knowledge, but for the purpose of operation.

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Summa Theologica, Part I (Prima Pars) From the Complete American Edition · 第 356 / 722 题