THIRD ARTICLE [I-II, Q. 12, Art. 3]

Whether One Can Intend Two Things at the Same Time?

Objection 1: It would seem that one cannot intend several things at

the same time. For Augustine says (De Serm. Dom. in Monte ii, 14, 16,

17) that man's intention cannot be directed at the same time to God

and to bodily benefits. Therefore, for the same reason, neither to

any other two things.

Obj. 2: Further, intention designates a movement of the will towards

a terminus. Now there cannot be several termini in the same direction

of one movement. Therefore the will cannot intend several things at

the same time.

Obj. 3: Further, intention presupposes an act of reason or of the

intellect. But "it is not possible to understand several things at

the same time," according to the Philosopher (Topic. ii, 10).

Therefore neither is it possible to intend several things at the same

time.

_On the contrary,_ Art imitates nature. Now nature intends two

purposes by means of one instrument: thus "the tongue is for the

purpose of taste and speech" (De Anima ii, 8). Therefore, for the

same reason, art or reason can at the same time direct one thing to

two ends: so that one can intend several ends at the same time.

_I answer that,_ The expression "two things" may be taken in two

ways: they may be ordained to one another or not so ordained. And if

they be ordained to one another, it is evident, from what has been

said, that a man can intend several things at the same time. For

intention is not only of the last end, as stated above (A. 2), but

also of an intermediary end. Now a man intends at the same time, both

the proximate and the last end; as the mixing of a medicine and the

giving of health.

But if we take two things that are not ordained to one another, thus

also a man can intend several things at the same time. This is

evident from the fact that a man prefers one thing to another because

it is the better of the two. Now one of the reasons for which one

thing is better than another is that it is available for more

purposes: wherefore one thing can be chosen in preference to another,

because of the greater number of purposes for which it is available:

so that evidently a man can intend several things at the same time.

Reply Obj. 1: Augustine means to say that man cannot at the same time

direct his attention to God and to bodily benefits, as to two last

ends: since, as stated above (Q. 1, A. 5), one man cannot have

several last ends.

Reply Obj. 2: There can be several termini ordained to one another,

of the same movement and in the same direction; but not unless they

be ordained to one another. At the same time it must be observed that

what is not one in reality may be taken as one by the reason. Now

intention is a movement of the will to something already ordained by

the reason, as stated above (A. 1, ad 3). Wherefore where we have

many things in reality, we may take them as one term of intention, in

so far as the reason takes them as one: either because two things

concur in the integrity of one whole, as a proper measure of heat and

cold conduce to health; or because two things are included in one

which may be intended. For instance, the acquiring of wine and

clothing is included in wealth, as in something common to both;

wherefore nothing hinders the man who intends to acquire wealth, from

intending both the others.

Reply Obj. 3: As stated in the First Part (Q. 12, A. 10; Q. 58, A. 2;

Q. 85, A. 4), it is possible to understand several things at the same

time, in so far as, in some way, they are one.

________________________

Summa Theologica, Part I-II (Pars Prima Secundae) From the Complete American Edition · 第 93 / 746 题