Part III (Secunda Secundae) Part 82 (1/2)

Whether Understanding* Is a Part of Prudence?

[*Otherwise intuition; Aristotle's word is _nous_]

Objection 1: It would seem that understanding is not a part of prudence. When two things are members of a division, one is not part of the other. But intellectual virtue is divided into understanding and prudence, according to _Ethic._ vi, 3. Therefore understanding should not be reckoned a part of prudence.

Obj. 2: Further, understanding is numbered among the gifts of the Holy Ghost, and corresponds to faith, as stated above (Q. 8, AA. 1, 8). But prudence is a virtue other than faith, as is clear from what has been said above (Q. 4, A. 8; I-II, Q. 62, A. 2). Therefore understanding does not pertain to prudence.

Obj. 3: Further, prudence is about singular matters of action (Ethic.

vi, 7): whereas understanding takes cognizance of universal and immaterial objects (De Anima iii, 4). Therefore understanding is not a part of prudence.

_On the contrary,_ Tully [*De Invent. Rhet. ii, 53] accounts ”intelligence” a part of prudence, and Macrobius [*In Somn. Scip. i, 8] mentions ”understanding,” which comes to the same.

_I answer that,_ Understanding denotes here, not the intellectual power, but the right estimate about some final principle, which is taken as self-evident: thus we are said to understand the first principles of demonstrations. Now every deduction of reason proceeds from certain statements which are taken as primary: wherefore every process of reasoning must needs proceed from some understanding.

Therefore since prudence is right reason applied to action, the whole process of prudence must needs have its source in understanding.

Hence it is that understanding is reckoned a part of prudence.

Reply Obj. 1: The reasoning of prudence terminates, as in a conclusion, in the particular matter of action, to which, as stated above (Q. 47, AA. 3, 6), it applies the knowledge of some universal principle. Now a singular conclusion is argued from a universal and a singular proposition. Wherefore the reasoning of prudence must proceed from a twofold understanding. The one is cognizant of universals, and this belongs to the understanding which is an intellectual virtue, whereby we know naturally not only speculative principles, but also practical universal principles, such as ”One should do evil to no man,” as shown above (Q. 47, A. 6). The other understanding, as stated in _Ethic._ vi, 11, is cognizant of an extreme, i.e. of some primary singular and contingent practical matter, viz. the minor premiss, which must needs be singular in the syllogism of prudence, as stated above (Q. 47, AA. 3, 6). Now this primary singular is some singular end, as stated in the same place.

Wherefore the understanding which is a part of prudence is a right estimate of some particular end.

Reply Obj. 2: The understanding which is a gift of the Holy Ghost, is a quick insight into divine things, as shown above (Q. 8, AA. 1, 2).

It is in another sense that it is accounted a part of prudence, as stated above.

Reply Obj. 3: The right estimate about a particular end is called both ”understanding,” in so far as its object is a principle, and ”sense,” in so far as its object is a particular. This is what the Philosopher means when he says (Ethic. v, 11): ”Of such things we need to have the sense, and this is understanding.” But this is to be understood as referring, not to the particular sense whereby we know proper sensibles, but to the interior sense, whereby we judge of a particular.

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THIRD ARTICLE [II-II, Q. 49, Art. 3]

Whether Docility Should Be Accounted a Part of Prudence?

Objection 1: It would seem that docility should not be accounted a part of prudence. For that which is a necessary condition of every intellectual virtue, should not be appropriated to one of them. But docility is requisite for every intellectual virtue. Therefore it should not be accounted a part of prudence.

Obj. 2: Further, that which pertains to a human virtue is in our power, since it is for things that are in our power that we are praised or blamed. Now it is not in our power to be docile, for this is befitting to some through their natural disposition. Therefore it is not a part of prudence.

Obj. 3: Further, docility is in the disciple: whereas prudence, since it makes precepts, seems rather to belong to teachers, who are also called ”preceptors.” Therefore docility is not a part of prudence.

_On the contrary,_ Macrobius [*In Somn. Scip. i, 8] following the opinion of Plotinus places docility among the parts of prudence.

_I answer that,_ As stated above (A. 2, ad 1; Q. 47, A. 3) prudence is concerned with particular matters of action, and since such matters are of infinite variety, no one man can consider them all sufficiently; nor can this be done quickly, for it requires length of time. Hence in matters of prudence man stands in very great need of being taught by others, especially by old folk who have acquired a sane understanding of the ends in practical matters. Wherefore the Philosopher says (Ethic. vi, 11): ”It is right to pay no less attention to the undemonstrated a.s.sertions and opinions of such persons as are experienced, older than we are, and prudent, than to their demonstrations, for their experience gives them an insight into principles.” Thus it is written (Prov. 3:5): ”Lean not on thy own prudence,” and (Ecclus. 6:35): ”Stand in the mult.i.tude of the ancients” (i.e. the old men), ”that are wise, and join thyself from thy heart to their wisdom.” Now it is a mark of docility to be ready to be taught: and consequently docility is fittingly reckoned a part of prudence.

Reply Obj. 1: Although docility is useful for every intellectual virtue, yet it belongs to prudence chiefly, for the reason given above.

Reply Obj. 2: Man has a natural apt.i.tude for docility even as for other things connected with prudence. Yet his own efforts count for much towards the attainment of perfect docility: and he must carefully, frequently and reverently apply his mind to the teachings of the learned, neither neglecting them through laziness, nor despising them through pride.

Reply Obj. 3: By prudence man makes precepts not only for others, but also for himself, as stated above (Q. 47, A. 12, ad 3). Hence as stated (Ethic. vi, 11), even in subjects, there is place for prudence; to which docility pertains. And yet even the learned should be docile in some respects, since no man is altogether self-sufficient in matters of prudence, as stated above.

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FOURTH ARTICLE [II-II, Q. 49, Art. 4]

Whether Shrewdness Is Part of Prudence?

Objection 1: It would seem that shrewdness is not a part of prudence.