Catena Aurea on Luke 14:15–24: Gregory the Great

Or he made a great supper, as having prepared for us the full enjoyment of eternal sweetness. He bade many, but few came, because sometimes they who themselves are subject to him by faith, by their lives oppose his eternal banquet. And this is generally the difference between the delights of the body and the soul, that fleshly delights when not possessed provoke a longing desire for them, but when possessed and devoured, the eater soon turns from satiety to loathing; spiritual delights, on the other hand, when not possessed are loathed, when possessed the more desired. But heavenly mercy recalls those despised delights to the eyes of our memory, and in order that we should drive away our disgust, bids us to the feast. Hence it follows, And he sent his servant, &c.