Prudence - Article 10

Whether prudence extends to the governing of many? 


Our Lord said (Matthew 24:45): "Who, thinkest thou, is a faithful and prudent [Douay: 'wise'] servant whom his lord hath appointed over his family?"

I answer that, According to the Philosopher (Ethic. vi, 8) some have held that prudence does not extend to the common good, but only to the good of the individual, and this because they thought that man is not bound to seek other than his own good. But this opinion is opposed to charity, which "seeketh not her own" (1 Corinthians 13:5): wherefore the Apostle says of himself (1 Corinthians 10:33): "Not seeking that which is profitable to myself, but to many, that they may be saved." Moreover it is contrary to right reason, which judges the common good to be better than the good of the individual.
Accordingly, since it belongs to prudence rightly to counsel, judge, and command concerning the means of obtaining a due end, it is evident that prudence regards not only the private good of the individual, but also the common good of the multitude.


http://www.newadvent.org/summa/3047.htm#article10