FIFTH ARTICLE [I, Q. 63, Art. 5]

Whether the Devil Was Wicked by the Fault of His Own Will in the

First Instant of His Creation?

Objection 1: It would seem that the devil was wicked by the fault of

his own will in the first instant of his creation. For it is said of

the devil (John 8:44): "He was a murderer from the beginning."

Obj. 2: Further, according to Augustine (Gen. ad lit. i, 15), the

lack of form in the creature did not precede its formation in order

of time, but merely in order of nature. Now according to him (Gen. ad

lit. ii, 8), the "heaven," which is said to have been created in the

beginning, signifies the angelic nature while as yet not fully formed:

and when it is said that God said: "Be light made: and light was

made," we are to understand the full formation of the angel by turning

to the Word. Consequently, the nature of the angel was created, and

light was made, in the one instant. But at the same moment that light

was made, it was made distinct from "darkness," whereby the angels who

sinned are denoted. Therefore in the first instant of their creation

some of the angels were made blessed, and some sinned.

Obj. 3: Further, sin is opposed to merit. But some intellectual

nature can merit in the first instant of its creation; as the soul of

Christ, or also the good angels. Therefore the demons likewise could

sin in the first instant of their creation.

Obj. 4: Further, the angelic nature is more powerful than the

corporeal nature. But a corporeal thing begins to have its operation

in the first instant of its creation; as fire begins to move upwards

in the first instant it is produced. Therefore the angel could also

have his operation in the first instant of his creation. Now this

operation was either ordinate or inordinate. If ordinate, then, since

he had grace, he thereby merited beatitude. But with the angels the

reward follows immediately upon merit; as was said above (Q. 62, A.

5). Consequently they would have become blessed at once; and so would

never have sinned, which is false. It remains, then, that they sinned

by inordinate action in their first instant.

_On the contrary,_ It is written (Gen. 1:31): "God saw all the things

that He had made, and they were very good." But among them were also

the demons. Therefore the demons were at some time good.

_I answer that,_ Some have maintained that the demons were wicked

straightway in the first instant of their creation; not by their

nature, but by the sin of their own will; because, as soon as he was

made, the devil refused righteousness. To this opinion, as Augustine

says (De Civ. Dei xi, 13), if anyone subscribes, he does not agree

with those Manichean heretics who say that the devil's nature is evil

of itself. Since this opinion, however, is in contradiction with the

authority of Scripture--for it is said of the devil under the figure

of the prince of Babylon (Isa. 14:12): "How art thou fallen . . . O

Lucifer, who didst rise in the morning!" and it is said to the devil

in the person of the King of Tyre (Ezech. 28:13): "Thou wast in the

pleasures of the paradise of God,"--consequently, this opinion was

reasonably rejected by the masters as erroneous.

Hence others have said that the angels, in the first instant of their

creation, could have sinned, but did not. Yet this view also is

repudiated by some, because, when two operations follow one upon the

other, it seems impossible for each operation to terminate in the one

instant. Now it is clear that the angel's sin was an act subsequent to

his creation. But the term of the creative act is the angel's very

being, while the term of the sinful act is the being wicked. It seems,

then, an impossibility for the angel to have been wicked in the first

instant of his existence.

This argument, however, does not satisfy. For it holds good only in

such movements as are measured by time, and take place successively;

thus, if local movement follows a change, then the change and the

local movement cannot be terminated in the same instant. But if the

changes are instantaneous, then all at once and in the same instant

there can be a term to the first and the second change; thus in the

same instant in which the moon is lit up by the sun, the atmosphere

is lit up by the moon. Now, it is manifest that creation is

instantaneous; so also is the movement of free-will in the angels;

for, as has been already stated, they have no occasion for comparison

or discursive reasoning (Q. 58, A. 3). Consequently, there is nothing

to hinder the term of creation and of free-will from existing in the

same instant.

We must therefore reply that, on the contrary, it was impossible for

the angel to sin in the first instant by an inordinate act of

free-will. For although a thing can begin to act in the first instant

of its existence, nevertheless, that operation which begins with the

existence comes of the agent from which it drew its nature; just as

upward movement in fire comes of its productive cause. Therefore, if

there be anything which derives its nature from a defective cause,

which can be the cause of a defective action, it can in the first

instant of its existence have a defective operation; just as the leg,

which is defective from birth, through a defect in the principle of

generation, begins at once to limp. But the agent which brought the

angels into existence, namely, God, cannot be the cause of sin.

Consequently it cannot be said that the devil was wicked in the

first instant of his creation.

Reply Obj. 1: As Augustine says (De Civ. Dei xi, 15), when it is

stated that "the devil sins from the beginning," "he is not to be

thought of as sinning from the beginning wherein he was created, but

from the beginning of sin": that is to say, because he never went

back from his sin.

Reply Obj. 2: That distinction of light and darkness, whereby the

sins of the demons are understood by the term darkness, must be taken

as according to God's foreknowledge. Hence Augustine says (De Civ.

Dei xi, 15), that "He alone could discern light and darkness, Who

also could foreknow, before they fell, those who would fall."

Reply Obj. 3: All that is in merit is from God; and consequently an

angel could merit in the first instant of his creation. The same

reason does not hold good of sin; as has been said.

Reply Obj. 4: God did not distinguish between the angels before the

turning away of some of them, and the turning of others to Himself,

as Augustine says (De Civ. Dei xi, 15). Therefore, as all were

created in grace, all merited in their first instant. But some of

them at once placed an impediment to their beatitude, thereby

destroying their preceding merit; and consequently they were

deprived of the beatitude which they had merited.

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Summa Theologica, Part I (Prima Pars) From the Complete American Edition · 第 408 / 722 题