MIRACULOUS NATURE OF THE RESURRECTION
When substances corrupt, the survival of the species, but not the restoration of the individual, is effected by the action of nature. The cloud from which rain is produced and the cloud which is again formed by evaporation from the fallen rain water, are not numerically the same. Accordingly, since the human body substantially dissolves in death, it cannot be restored to numerical identity by the action of nature. But the concept of resurrection requires such identity, as we have just shown. Consequently the resurrection of man will not be brought about by the action of nature, as some philosophers have held in their theory that, when all bodies return to the position formerly occupied after untold cycles of years, then also men will return to life in the same numerical identity. No, the restoration of all who rise will be effected solely by divine power.
Moreover, it is clear that senses once destroyed, and anything possessed as a result of generation, cannot be restored by the activity of nature, for the simple reason that the same numerical being cannot be generated several times. If any such perfection is restored to anyone, for example, an eye that has been torn out or a hand that has been cut off, it will be through divine power which operates beyond the order of nature, as we said above. Therefore, since all the senses and all the members of man corrupt in death, a dead man cannot be brought back to life except by divine action.
The fact that, as we hold, the resurrection will be effected by divine power, enables us to perceive readily how the same numerical body will be revived. Since all things, even the very least, are included under divine providence, as we showed above, the matter composing this human body of ours, whatever form it may take after man's death, evidently does not elude the power or the knowledge of God. Such matter remains numerically the same, in the sense that it exists under quantitative dimensions, by reason of which it can be said to be this particular matter, and is the principle of individuation. If then, this matter remains the same, and if the human body is again fashioned from it by divine power, and if also the rational soul which remains the same in its incorruptibility is united to the same body, the result is that identically the same man is restored to life.
Numerical identity cannot be impeded, as some object, by the consideration that the humanity is not numerically the same as before. In the view of some philosophers, humanity, which is said to be the form of the whole, is nothing else than the form of a part, namely, the soul, and they admit that humanity is the form of the body also, in the sense that it confers species on the whole. If this is true, evidently the humanity remains numerically the same, since the rational soul remains numerically the same.
Humanity, however, is that which is signified by the definition of man, as the essence of anything whatever is that which is signified by its definition. But the definition of man signifies not form alone but also matter, since matter must be comprised in the definition of material things. Hence we shall do better to say, with others, that both soul and body are included in the notion of humanity, although otherwise than in the definition of man. The notion of humanity embraces only the essential principles of man, prescinding from all other factors. For, since humanity is understood to be that whereby man is man, whatever cannot truly be said to constitute man as man, is evidently cut off from the notion of humanity. But when we speak of man, who has humanity, the fact that he has humanity does not exclude the possession of other attributes, for instance, whiteness, and the like. The term "man" signifies man's essential principles, but not to the exclusion of other factors, even though these other factors are not actually, but only potentially, contained in the notion of man. Hence "man" signifies as a whole, per modum totius, whereas "humanity" signifies as a part, per modum partis, and is not predicated of man. In Socrates, then, or in Plato, this determinate matter and this particular form are included. Just as the notion of man implies composition of matter and form, so if Socrates were to be defined, the notion of him would imply that he is composed of this flesh and these bones and this soul. Consequently, since humanity is not some third form in addition to soul and body, but is composed of both, we see clearly that, if the same body is restored and if the same soul remains, the humanity will be numerically the same.
The numerical identity in question is not frustrated on the ground that the corporeity recovered is not numerically the same, for the reason that it corrupts when the body corrupts. If by corporeity is meant the substantial form by which a thing is classified in the genus of corporeal substance, such corporeity is nothing else than the soul, seeing that there is but one substantial form for each thing. In virtue of this particular soul, this animal is not only animal, but is animated body, and body, and also this thing existing in the genus of substance. Otherwise the soul would come to a body already existing in act, and so would be an accidental form. The subject of a substantial form is something existing only in potency, not in act. When it receives the substantial form it is not said to be generated merely in this or that respect, as is the case with accidental forms, but is said to be generated simply, as simply receiving existence. And therefore the corporeity that is received remains numerically the same, since the same rational soul continues to exist.
If, however, the word "corporeity" is taken to mean a form designating body (corpus), which is placed in the genus of quantity, such a form is accidental, since it signifies nothing else than three-dimensional existence. Even though the same numerical form, thus understood, is not recovered, the identity of the subject is not thereby impeded, for unity of the essential principles suffices for this. The same reasoning holds for all the accidents, the diversity among which does not destroy numerical identity. Consequently, since union is a kind of relation, and therefore an accident, its numerical diversity does not prevent the numerical identity of the subject; nor, for that matter, does numerical diversity among the powers of the sensitive and vegetative soul, if they are supposed to have corrupted. For the natural powers existing in the human composite are in the genus of accident; and what we call "sensible" is derived, not from the senses according as sense is the specific difference constituting animal, but from the very substance of the sensitive soul, which in man is essentially identical with the rational soul.