Part II (Pars Prima Secundae) Part 131 (1/2)

2). In the second place we must consider its inclination to act; and in this way it regards the powers of the soul. It must therefore regard first of all that power in which is seated the first inclination to commit a sin, and this is the will, as stated above (Q. 74, AA. 1, 2). Therefore original sin regards first of all the will.

Reply Obj. 1: Original sin, in man, is not caused by the generative power of the child, but by the act of the parental generative power.

Consequently, it does not follow that the child's generative power is the subject of original sin.

Reply Obj. 2: Original sin spreads in two ways; from the flesh to the soul, and from the essence of the soul to the powers. The former follows the order of generation, the latter follows the order of perfection. Therefore, although the other, viz. the sensitive powers, are more akin to the flesh, yet, since the will, being the higher power, is more akin to the essence of the soul, the infection of original sin reaches it first.

Reply Obj. 3: The intellect precedes the will, in one way, by proposing its object to it. In another way, the will precedes the intellect, in the order of motion to act, which motion pertains to sin.

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FOURTH ARTICLE [I-II, Q. 83, Art. 4]

Whether the Aforesaid Powers Are More Infected Than the Others?

Objection 1: It would seem that the aforesaid powers are not more infected than the others. For the infection of original sin seems to pertain more to that part of the soul which can be first the subject of sin. Now this is the rational part, and chiefly the will.

Therefore that power is most infected by original sin.

Obj. 2: Further, no power of the soul is infected by guilt, except in so far as it can obey reason. Now the generative power cannot obey reason, as stated in _Ethic._ i, 13. Therefore the generative power is not the most infected by original sin.

Obj. 3: Further, of all the senses the sight is the most spiritual and the nearest to reason, in so far ”as it shows us how a number of things differ” (Metaph. i). But the infection of guilt is first of all in the reason. Therefore the sight is more infected than touch.

_On the contrary,_ Augustine says (De Civ. Dei xiv, 16, seqq., 24) that the infection of original sin is most apparent in the movements of the members of generation, which are not subject to reason. Now those members serve the generative power in the mingling of s.e.xes, wherein there is the delectation of touch, which is the most powerful incentive to concupiscence. Therefore the infection of original sin regards these three chiefly, viz. the generative power, the concupiscible faculty and the sense of touch.

_I answer that,_ Those corruptions especially are said to be infectious, which are of such a nature as to be transmitted from one subject to another: hence contagious diseases, such as leprosy and murrain and the like, are said to be infectious. Now the corruption of original sin is transmitted by the act of generation, as stated above (Q. 81, A. 1). Therefore the powers which concur in this act, are chiefly said to be infected. Now this act serves the generative power, in as much as it is directed to generation; and it includes delectation of the touch, which is the most powerful object of the concupiscible faculty. Consequently, while all the parts of the soul are said to be corrupted by original sin, these three are said specially to be corrupted and infected.

Reply Obj. 1: Original sin, in so far as it inclines to actual sins, belongs chiefly to the will, as stated above (A. 3). But in so far as it is transmitted to the offspring, it belongs to the aforesaid powers proximately, and to the will, remotely.

Reply Obj. 2: The infection of actual sin belongs only to the powers which are moved by the will of the sinner. But the infection of original sin is not derived from the will of the contractor, but through his natural origin, which is effected by the generative power. Hence it is this power that is infected by original sin.

Reply Obj. 3: Sight is not related to the act of generation except in respect of remote disposition, in so far as the concupiscible species is seen through the sight. But the delectation is completed in the touch. Wherefore the aforesaid infection is ascribed to the touch rather than to the sight.

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QUESTION 84

OF THE CAUSE OF SIN, IN RESPECT OF ONE SIN BEING THE CAUSE OF ANOTHER (In Four Articles)

We must now consider the cause of sin, in so far as one sin can be the cause of another. Under this head there are four points of inquiry:

(1) Whether covetousness is the root of all sins?

(2) Whether pride is the beginning of every sin?

(3) Whether other special sins should be called capital vices, besides pride and covetousness?

(4) How many capital vices there are, and which are they?

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FIRST ARTICLE [I-II, Q. 84, Art. 1]

Whether Covetousness Is the Root of All Sins?