Augustine of Hippo — as excerpted in the Catena Aurea on Luke 19:11-27

“(de Quæst. Evan. lib. ii. qu. 46.) Or else; That one of those who well employed their money gained ten pounds, another five, signifies that they acquired them for the flock of God, by whom the law was now understood through grace, either because of the ten commandments of the law, or because he, through whom the law was given, wrote five books; and to this belong the ten and five cities over which He appoints them to preside. For the manifold meanings or interpretations which spring up concerning some individual precept or book, when reduced and brought together in one, make as it were a city of living eternal reasons. Hence a city is not a multitude of living creatures, but of reasonable beings bound together by the fellowship of one law. The servants then who bring an account of that which they had received, and are praised for having gained more, represent those giving in their account who have well employed what they had received, to increase their Lord’s riches by those who believe on Him, while they who are unwilling to do this are signified by that servant who kept his pound laid up in a napkin; of whom it follows, And the third came, saying, Lord, behold, here is thy pound, which I have kept laid up in a napkin, &c. For there are some who flatter themselves with this delusion, saying, It is enough for each individual to answer concerning himself, what need then of others to preach and minister, in order that every one should be compelled also to give an account of himself, seeing that in the Lord’s sight even they are without excuse to whom the law was not given, and who were not asleep at the time of the preaching of the Gospel, for they might have known the Creator through the creature; and then it follows, For I feared thee, because thou art an austere man, &c. For this is, as it were, to reap when he did not sow, that is, to hold those guilty of ungodliness to whom this word of the law or the Gospel was not preached, and avoiding as it were this peril of judgment, with slothful toil they rest from the ministration of the word. And this it is to tie up in a napkin what they had received.”