THIRD ARTICLE [I-II, Q. 96, Art. 3]

Whether Human Law Prescribes Acts of All the Virtues?

Objection 1: It would seem that human law does not prescribe acts of

all the virtues. For vicious acts are contrary to acts of virtue. But

human law does not prohibit all vices, as stated above (A. 2).

Therefore neither does it prescribe all acts of virtue.

Obj. 2: Further, a virtuous act proceeds from a virtue. But virtue is

the end of law; so that whatever is from a virtue, cannot come under

a precept of law. Therefore human law does not prescribe all acts of

virtue.

Obj. 3: Further, law is ordained to the common good, as stated above

(Q. 90, A. 2). But some acts of virtue are ordained, not to the

common good, but to private good. Therefore the law does not

prescribe all acts of virtue.

_On the contrary,_ The Philosopher says (Ethic. v, 1) that the law

"prescribes the performance of the acts of a brave man . . . and the

acts of the temperate man . . . and the acts of the meek man: and in

like manner as regards the other virtues and vices, prescribing the

former, forbidding the latter."

_I answer that,_ The species of virtues are distinguished by their

objects, as explained above (Q. 54, A. 2; Q. 60, A. 1; Q. 62, A. 2).

Now all the objects of virtues can be referred either to the private

good of an individual, or to the common good of the multitude: thus

matters of fortitude may be achieved either for the safety of the

state, or for upholding the rights of a friend, and in like manner

with the other virtues. But law, as stated above (Q. 90, A. 2) is

ordained to the common good. Wherefore there is no virtue whose acts

cannot be prescribed by the law. Nevertheless human law does not

prescribe concerning all the acts of every virtue: but only in regard

to those that are ordainable to the common good--either immediately,

as when certain things are done directly for the common good--or

mediately, as when a lawgiver prescribes certain things pertaining to

good order, whereby the citizens are directed in the upholding of the

common good of justice and peace.

Reply Obj. 1: Human law does not forbid all vicious acts, by the

obligation of a precept, as neither does it prescribe all acts of

virtue. But it forbids certain acts of each vice, just as it

prescribes some acts of each virtue.

Reply Obj. 2: An act is said to be an act of virtue in two ways.

First, from the fact that a man does something virtuous; thus the act

of justice is to do what is right, and an act of fortitude is to do

brave things: and in this way law prescribes certain acts of virtue.

Secondly an act of virtue is when a man does a virtuous thing in a

way in which a virtuous man does it. Such an act always proceeds from

virtue: and it does not come under a precept of law, but is the end

at which every lawgiver aims.

Reply Obj. 3: There is no virtue whose act is not ordainable to the

common good, as stated above, either mediately or immediately.

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Summa Theologica, Part I-II (Pars Prima Secundae) From the Complete American Edition · 第 619 / 746 题