FOURTH ARTICLE [I-II, Q. 19, Art. 4]

Whether the Goodness of the Will Depends on the Eternal Law?

Objection 1: It would seem that the goodness of the human will does

not depend on the eternal law. Because to one thing there is one rule

and one measure. But the rule of the human will, on which its

goodness depends, is right reason. Therefore the goodness of the will

does not depend on the eternal law.

Obj. 2: Further, "a measure is homogeneous with the thing measured"

(Metaph. x, 1). But the eternal law is not homogeneous with the human

will. Therefore the eternal law cannot be the measure on which the

goodness of the human will depends.

Obj. 3: Further, a measure should be most certain. But the eternal

law is unknown to us. Therefore it cannot be the measure on which the

goodness of our will depends.

_On the contrary,_ Augustine says (Contra Faust. xxii, 27) that "sin

is a deed, word or desire against the eternal law." But malice of the

will is the root of sin. Therefore, since malice is contrary to

goodness, the goodness of the will depends on the eternal law.

_I answer that,_ Wherever a number of causes are subordinate to one

another, the effect depends more on the first than on the second

cause: since the second cause acts only in virtue of the first. Now

it is from the eternal law, which is the Divine Reason, that human

reason is the rule of the human will, from which the human derives

its goodness. Hence it is written (Ps. 4:6, 7): "Many say: Who

showeth us good things? The light of Thy countenance, O Lord, is

signed upon us": as though to say: "The light of our reason is able

to show us good things, and guide our will, in so far as it is the

light (i.e. derived from) Thy countenance." It is therefore evident

that the goodness of the human will depends on the eternal law much

more than on human reason: and when human reason fails we must have

recourse to the Eternal Reason.

Reply Obj. 1: To one thing there are not several proximate measures;

but there can be several measures if one is subordinate to the other.

Reply Obj. 2: A proximate measure is homogeneous with the thing

measured; a remote measure is not.

Reply Obj. 3: Although the eternal law is unknown to us according as

it is in the Divine Mind: nevertheless, it becomes known to us

somewhat, either by natural reason which is derived therefrom as its

proper image; or by some sort of additional revelation.

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Summa Theologica, Part I-II (Pars Prima Secundae) From the Complete American Edition · 第 148 / 746 题