SECOND ARTICLE [II-II, Q. 53, Art. 2]

Whether Imprudence Is a Special Sin?

Objection 1: It would seem that imprudence is not a special sin. For

whoever sins, acts against right reason, i.e. against prudence. But

imprudence consists in acting against prudence, as stated above (A.

1). Therefore imprudence is not a special sin.

Obj. 2: Further, prudence is more akin to moral action than knowledge

is. But ignorance which is opposed to knowledge, is reckoned one of

the general causes of sin. Much more therefore should imprudence be

reckoned among those causes.

Obj. 3: Further, sin consists in the corruption of the circumstances

of virtue, wherefore Dionysius says (Div. Nom. iv) that "evil results

from each single defect." Now many things are requisite for prudence;

for instance, reason, intelligence, docility, and so on, as stated

above (QQ. 48, 49). Therefore there are many species of imprudence,

so that it is not a special sin.

_On the contrary,_ Imprudence is opposed to prudence, as stated above

(A. 1). Now prudence is a special virtue. Therefore imprudence too is

one special vice.

_I answer that,_ A vice or sin may be styled general in two ways;

first, absolutely, because, to wit, it is general in respect of all

sins; secondly, because it is general in respect of certain vices,

which are its species. In the first way, a vice may be said to be

general on two counts: first, essentially, because it is predicated

of all sins: and in this way imprudence is not a general sin, as

neither is prudence a general virtue: since it is concerned with

special acts, namely the very acts of reason: secondly, by

participation; and in this way imprudence is a general sin: for, just

as all the virtues have a share of prudence, in so far as it directs

them, so have all vices and sins a share of imprudence, because no

sin can occur, without some defect in an act of the directing reason,

which defect belongs to imprudence.

If, on the other hand, a sin be called general, not simply but in

some particular genus, that is, as containing several species of sin,

then imprudence is a general sin. For it contains various species in

three ways. First, by opposition to the various subjective parts of

prudence, for just as we distinguish the prudence that guides the

individual, from other kinds that govern communities, as stated above

(Q. 48; Q. 50, A. 7), so also we distinguish various kinds of

imprudence. Secondly, in respect of the quasi-potential parts of

prudence, which are virtues connected with it, and correspond to the

several acts of reason. Thus, by defect of "counsel" to which

_euboulia_ corresponds, "precipitation" or "temerity" is a species of

imprudence; by defect of "judgment," to which _synesis_ (judging well

according to common law) and _gnome_ (judging well according to

general law) refer, there is "thoughtlessness"; while "inconstancy"

and "negligence" correspond to the "command" which is the proper act

of prudence. Thirdly, this may be taken by opposition to those things

which are requisite for prudence, which are the quasi-integral parts

of prudence. Since however all these things are intended for the

direction of the aforesaid three acts of reason, it follows that all

the opposite defects are reducible to the four parts mentioned above.

Thus incautiousness and incircumspection are included in

"thoughtlessness"; lack of docility, memory, or reason is referable

to "precipitation"; improvidence, lack of intelligence and of

shrewdness, belong to "negligence" and "inconstancy."

Reply Obj. 1: This argument considers generality by participation.

Reply Obj. 2: Since knowledge is further removed from morality than

prudence is, according to their respective proper natures, it follows

that ignorance has the nature of mortal sin, not of itself, but on

account either of a preceding negligence, or of the consequent

result, and for this reason it is reckoned one of the general causes

of sin. On the other hand imprudence, by its very nature, denotes a

moral vice; and for this reason it can be called a special sin.

Reply Obj. 3: When various circumstances are corrupted for the

same motive, the species of sin is not multiplied: thus it is the same

species of sin to take what is not one's own, where one ought not, and

when one ought not. If, however, there be various motives, there are

various species: for instance, if one man were to take another's

property from where he ought not, so as to wrong a sacred place, this

would constitute the species called sacrilege, while if another were

to take another's property when he ought not, merely through the lust

of possession, this would be a case of simple avarice. Hence the lack

of those things which are requisite for prudence, does not constitute

a diversity of species, except in so far as they are directed to

different acts of reason, as stated above.

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Summa Theologica, Part II-II (Secunda Secundae) Translated by Fathers of the English Dominican Province · 第 365 / 1128 题