NINTH ARTICLE [I-II, Q. 18, Art. 9]

Whether an Individual Action Can Be Indifferent?

Objection 1: It would seem that an individual action can be

indifferent. For there is no species that does not, or cannot,

contain an individual. But an action can be indifferent in its

species, as stated above (A. 8). Therefore an individual action can

be indifferent.

Obj. 2: Further, individual actions cause like habits, as stated in

_Ethic._ ii, 1. But a habit can be indifferent: for the Philosopher

says (Ethic. iv, 1) that those who are of an even temper and prodigal

disposition are not evil; and yet it is evident that they are not

good, since they depart from virtue; and thus they are indifferent in

respect of a habit. Therefore some individual actions are indifferent.

Obj. 3: Further, moral good belongs to virtue, while moral evil

belongs to vice. But it happens sometimes that a man fails to ordain

a specifically indifferent action to a vicious or virtuous end.

Therefore an individual action may happen to be indifferent.

_On the contrary,_ Gregory says in a homily (vi in Evang.): "An idle

word is one that lacks either the usefulness of rectitude or the

motive of just necessity or pious utility." But an idle word is an

evil, because "men . . . shall render an account of it in the day of

judgment" (Matt. 12:36): while if it does not lack the motive of just

necessity or pious utility, it is good. Therefore every word is

either good or bad. For the same reason every other action is either

good or bad. Therefore no individual action is indifferent.

_I answer that,_ It sometimes happens that an action is indifferent

in its species, but considered in the individual it is good or evil.

And the reason of this is because a moral action, as stated above (A.

3), derives its goodness not only from its object, whence it takes

its species; but also from the circumstances, which are its

accidents, as it were; just as something belongs to a man by reason

of his individual accidents, which does not belong to him by reason

of his species. And every individual action must needs have some

circumstance that makes it good or bad, at least in respect of the

intention of the end. For since it belongs to the reason to direct;

if an action that proceeds from deliberate reason be not directed to

the due end, it is, by that fact alone, repugnant to reason, and has

the character of evil. But if it be directed to a due end, it is in

accord with reason; wherefore it has the character of good. Now it

must needs be either directed or not directed to a due end.

Consequently every human action that proceeds from deliberate reason,

if it be considered in the individual, must be good or bad.

If, however, it does not proceed from deliberate reason, but from

some act of the imagination, as when a man strokes his beard, or

moves his hand or foot; such an action, properly speaking, is not

moral or human; since this depends on the reason. Hence it will be

indifferent, as standing apart from the genus of moral actions.

Reply Obj. 1: For an action to be indifferent in its species can be

understood in several ways. First in such a way that its species

demands that it remain indifferent; and the objection proceeds along

this line. But no action can be specifically indifferent thus: since

no object of human action is such that it cannot be directed to good

or evil, either through its end or through a circumstance. Secondly,

specific indifference of an action may be due to the fact that as far

as its species is concerned, it is neither good nor bad. Wherefore it

can be made good or bad by something else. Thus man, as far as his

species is concerned, is neither white nor black; nor is it a

condition of his species that he should not be black or white; but

blackness or whiteness is superadded to man by other principles than

those of his species.

Reply Obj. 2: The Philosopher states that a man is evil, properly

speaking, if he be hurtful to others. And accordingly, he says that

the prodigal is not evil, because he hurts none save himself. And the

same applies to all others who are not hurtful to other men. But we

say here that evil, in general, is all that is repugnant to right

reason. And in this sense every individual action is either good or

bad, as stated above.

Reply Obj. 3: Whenever an end is intended by deliberate reason, it

belongs either to the good of some virtue, or to the evil of some

vice. Thus, if a man's action is directed to the support or repose

of his body, it is also directed to the good of virtue, provided he

direct his body itself to the good of virtue. The same clearly

applies to other actions.

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Summa Theologica, Part I-II (Pars Prima Secundae) From the Complete American Edition · 第 141 / 746 题