Ambrose of Milan — as excerpted in the Catena Aurea on Luke 19:11-27

“But the ten cities are the souls over whom he is rightly placed who has deposited in the minds of men his Lord’s money and the holy words, which are tried as silver is tried in the fire. For as Jerusalem is said to be built as a city, (Ps. 121:3.) so are peace-making souls. And as angels have rule, so have they who have acquired the life of angels. It follows, And the second came, saying, Lord, thy pound has gained five pounds.”