FOURTH ARTICLE [I-II, Q. 55, Art. 4]

Whether Virtue Is Suitably Defined?

Objection 1: It would seem that the definition, usually given, of

virtue, is not suitable, to wit: "Virtue is a good quality of the

mind, by which we live righteously, of which no one can make bad use,

which God works in us, without us." For virtue is man's goodness,

since virtue it is that makes its subject good. But goodness does not

seem to be good, as neither is whiteness white. It is therefore

unsuitable to describe virtue as a "good quality."

Obj. 2: Further, no difference is more common than its genus; since

it is that which divides the genus. But good is more common than

quality, since it is convertible with being. Therefore "good" should

not be put in the definition of virtue, as a difference of quality.

Obj. 3: Further, as Augustine says (De Trin. xii, 3): "When we come

across anything that is not common to us and the beasts of the field,

it is something appertaining to the mind." But there are virtues even

of the irrational parts; as the Philosopher says (Ethic. iii, 10).

Every virtue, therefore, is not a good quality "of the mind."

Obj. 4: Further, righteousness seems to belong to justice; whence the

righteous are called just. But justice is a species of virtue. It is

therefore unsuitable to put "righteous" in the definition of virtue,

when we say that virtue is that "by which we live righteously."

Obj. 5: Further, whoever is proud of a thing, makes bad use of it.

But many are proud of virtue, for Augustine says in his Rule, that

"pride lies in wait for good works in order to slay them." It is

untrue, therefore, "that no one can make bad use of virtue."

Obj. 6: Further, man is justified by virtue. But Augustine commenting

on John 15:11: "He shall do greater things than these," says [*Tract.

xxvii in Joan.: Serm. xv de Verb. Ap. 11]: "He who created thee

without thee, will not justify thee without thee." It is therefore

unsuitable to say that "God works virtue in us, without us."

_On the contrary,_ We have the authority of Augustine from whose

words this definition is gathered, and principally in _De Libero

Arbitrio_ ii, 19.

_I answer that,_ This definition comprises perfectly the whole

essential notion of virtue. For the perfect essential notion of

anything is gathered from all its causes. Now the above definition

comprises all the causes of virtue. For the formal cause of virtue,

as of everything, is gathered from its genus and difference, when it

is defined as "a good quality": for "quality" is the genus of virtue,

and the difference, "good." But the definition would be more suitable

if for "quality" we substitute "habit," which is the proximate genus.

Now virtue has no matter "out of which" it is formed, as neither has

any other accident; but it has matter "about which" it is concerned,

and matter "in which" it exists, namely, the subject. The matter

about which virtue is concerned is its object, and this could not be

included in the above definition, because the object fixes the virtue

to a certain species, and here we are giving the definition of virtue

in general. And so for material cause we have the subject, which is

mentioned when we say that virtue is a good quality "of the mind."

The end of virtue, since it is an operative habit, is operation. But

it must be observed that some operative habits are always referred to

evil, as vicious habits: others are sometimes referred to good,

sometimes to evil; for instance, opinion is referred both to the true

and to the untrue: whereas virtue is a habit which is always referred

to good: and so the distinction of virtue from those habits which are

always referred to evil, is expressed in the words "by which we live

righteously": and its distinction from those habits which are

sometimes directed unto good, sometimes unto evil, in the words, "of

which no one makes bad use."

Lastly, God is the efficient cause of infused virtue, to which this

definition applies; and this is expressed in the words "which God

works in us without us." If we omit this phrase, the remainder of the

definition will apply to all virtues in general, whether acquired or

infused.

Reply Obj. 1: That which is first seized by the intellect is being:

wherefore everything that we apprehend we consider as being, and

consequently as one, and as good, which are convertible with being.

Wherefore we say that essence is being and is one and is good; and

that oneness is being and one and good: and in like manner goodness.

But this is not the case with specific forms, as whiteness and

health; for everything that we apprehend, is not apprehended with the

notion of white and healthy. We must, however, observe that, as

accidents and non-subsistent forms are called beings, not as if they

themselves had being, but because things are by them; so also are

they called good or one, not by some distinct goodness or oneness,

but because by them something is good or one. So also is virtue

called good, because by it something is good.

Reply Obj. 2: Good, which is put in the definition of virtue, is not

good in general which is convertible with being, and which extends

further than quality, but the good as fixed by reason, with regard to

which Dionysius says (Div. Nom. iv) "that the good of the soul is to

be in accord with reason."

Reply Obj. 3: Virtue cannot be in the irrational part of the soul,

except in so far as this participates in the reason (Ethic. i, 13).

And therefore reason, or the mind, is the proper subject of virtue.

Reply Obj. 4: Justice has a righteousness of its own by which it puts

those outward things right which come into human use, and are the

proper matter of justice, as we shall show further on (Q. 60, A. 2;

II-II, Q. 58, A. 8). But the righteousness which denotes order to a

due end and to the Divine law, which is the rule of the human will,

as stated above (Q. 19, A. 4), is common to all virtues.

Reply Obj. 5: One can make bad use of a virtue objectively, for

instance by having evil thoughts about a virtue, e.g. by hating it,

or by being proud of it: but one cannot make bad use of virtue as

principle of action, so that an act of virtue be evil.

Reply Obj. 6: Infused virtue is caused in us by God without any

action on our part, but not without our consent. This is the sense of

the words, "which God works in us without us." As to those things

which are done by us, God causes them in us, yet not without action

on our part, for He works in every will and in every nature.

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Summa Theologica, Part I-II (Pars Prima Secundae) From the Complete American Edition · 第 360 / 746 题