SECOND ARTICLE [I-II, Q. 78, Art. 2]

Whether Everyone That Sins Through Habit, Sins Through Certain

Malice?

Objection 1: It would seem that not every one who sins through habit,

sins through certain malice. Because sin committed through certain

malice, seems to be most grievous. Now it happens sometimes that a

man commits a slight sin through habit, as when he utters an idle

word. Therefore sin committed from habit is not always committed

through certain malice.

Obj. 2: Further, "Acts proceeding from habits are like the acts by

which those habits were formed" (Ethic. ii, 1, 2). But the acts which

precede a vicious habit are not committed through certain malice.

Therefore the sins that arise from habit are not committed through

certain malice.

Obj. 3: Further, when a man commits a sin through certain malice, he

is glad after having done it, according to Prov. 2:14: "Who are glad

when they have done evil, and rejoice in most wicked things": and

this, because it is pleasant to obtain what we desire, and to do

those actions which are connatural to us by reason of habit. But

those who sin through habit, are sorrowful after committing a sin:

because "bad men," i.e. those who have a vicious habit, "are full of

remorse" (Ethic. ix, 4). Therefore sins that arise from habit are not

committed through certain malice.

_On the contrary,_ A sin committed through certain malice is one that

is done through choice of evil. Now we make choice of those things to

which we are inclined by habit, as stated in _Ethic._ vi, 2 with

regard to virtuous habits. Therefore a sin that arises from habit is

committed through certain malice.

_I answer that,_ There is a difference between a sin committed by one

who has the habit, and a sin committed by habit: for it is not

necessary to use a habit, since it is subject to the will of the

person who has that habit. Hence habit is defined as being "something

we use when we will," as stated above (Q. 50, A. 1). And thus, even

as it may happen that one who has a vicious habit may break forth

into a virtuous act, because a bad habit does not corrupt reason

altogether, something of which remains unimpaired, the result being

that a sinner does some works which are generically good; so too it

may happen sometimes that one who has a vicious habit, acts, not from

that habit, but through the uprising of a passion, or again through

ignorance. But whenever he uses the vicious habit he must needs sin

through certain malice: because to anyone that has a habit, whatever

is befitting to him in respect of that habit, has the aspect of

something lovable, since it thereby becomes, in a way, connatural to

him, according as custom and habit are a second nature. Now the very

thing which befits a man in respect of a vicious habit, is something

that excludes a spiritual good: the result being that a man chooses a

spiritual evil, that he may obtain possession of what befits him in

respect of that habit: and this is to sin through certain malice.

Wherefore it is evident that whoever sins through habit, sins through

certain malice.

Reply Obj. 1: Venial sin does not exclude spiritual good, consisting

in the grace of God or charity. Wherefore it is an evil, not simply,

but in a relative sense: and for that reason the habit thereof is not

a simple but a relative evil.

Reply Obj. 2: Acts proceeding from habits are of like species as the

acts from which those habits were formed: but they differ from them

as perfect from imperfect. Such is the difference between sin

committed through certain malice and sin committed through passion.

Reply Obj. 3: He that sins through habit is always glad for what he

does through habit, as long as he uses the habit. But since he is

able not to use the habit, and to think of something else, by means

of his reason, which is not altogether corrupted, it may happen that

while not using the habit he is sorry for what he has done through

the habit. And so it often happens that such a man is sorry for his

sin not because sin in itself is displeasing to him, but on account

of his reaping some disadvantage from the sin.

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Summa Theologica, Part I-II (Pars Prima Secundae) From the Complete American Edition · 第 515 / 746 题