SECOND ARTICLE [III, Q. 18, Art. 2]

Whether in Christ There Was a Will of Sensuality Besides the Will of

Reason?

Objection 1: It would seem that in Christ there was no will of

sensuality besides the will of reason. For the Philosopher says (De

Anima iii, text. 42) that "the will is in the reason, and in the

sensitive appetite are the irascible and concupiscible parts." Now

sensuality signifies the sensitive appetite. Hence in Christ there

was no will of sensuality.

Obj. 2: Further, according to Augustine (De Trin. xii, 12, 13) the

sensuality is signified by the serpent. But there was nothing

serpent-like in Christ; for He had the likeness of a venomous animal

without the venom, as Augustine says (De Pecc. Merit. et Remiss. i,

32). Hence in Christ there was no will of sensuality.

Obj. 3: Further, will is consequent upon nature, as was said (A. 1).

But in Christ there was only one nature besides the Divine. Hence in

Christ there was only one human will.

_On the contrary,_ Ambrose says (De Fide ii, 7): "Mine is the will

which He calls His own; because as Man He assumed my sorrow." From

this we are given to understand that sorrow pertains to the human

will of Christ. Now sorrow pertains to the sensuality, as was said in

the Second Part (I-II, Q. 23, A. 1; Q. 25, A. 1). Therefore,

seemingly, in Christ there is a will of sensuality besides the will

of reason.

_I answer that,_ As was said (Q. 9, A. 1), the Son of God assumed

human nature together with everything pertaining to the perfection of

human nature. Now in human nature is included animal nature, as the

genus in its species. Hence the Son of God must have assumed together

with the human nature whatever belongs to animal nature; one of which

things is the sensitive appetite, which is called the sensuality.

Consequently it must be allowed that in Christ there was a sensual

appetite, or sensuality. But it must be borne in mind that sensuality

or the sensual appetite, inasmuch as it naturally obeys reason, is

said to be "rational by participation," as is clear from the

Philosopher (Ethic. i, 13). And because "the will is in the reason,"

as stated above, it may equally be said that the sensuality is "a

will by participation."

Reply Obj. 1: This argument is based on the will, essentially so

called, which is only in the intellectual part; but the will by

participation can be in the sensitive part, inasmuch as it obeys

reason.

Reply Obj. 2: The sensuality is signified by the serpent--not as

regards the nature of the sensuality, which Christ assumed, but as

regards the corruption of the _fomes,_ which was not in Christ.

Reply Obj. 3: "Where there is one thing on account of another, there

seems to be only one" (Aristotle, _Topic._ iii); thus a surface which

is visible by color is one visible thing with the color. So, too,

because the sensuality is called the will, only because it partakes

of the rational will, there is said to be but one human will in

Christ, even as there is but one human nature.

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Summa Theologica, Part III (Tertia Pars) From the Complete American Edition · 第 142 / 654 题