Church Fathers on Luke 15:12

St. Luke has given three parables successively; the sheep which was lost and found, the piece of silver which was lost and found, the son who was dead and came to life again, in order that invited by a threefold remedy, we might heal our wounds. Christ as the Shepherd bears you on His own body, the Church as the woman seeks for thee, God as the Father receives you, the first, pity, the second, intercession, the third, reconciliation.

There is also in the above-mentioned parable a rule of distinction with reference to the characters or dispositions of the sinners. The father receives his penitent son, exercising the freedom of his will, so as to know from whence he had fallen; and the shepherd seeks for the sheep that wanders and knows not how to return, and carries it on his shoulders, comparing to an irrational animal the foolish man, who, taken by another’s guile, had wandered like a sheep. This parable…

But some say that by the elder son is signified Israel according to the flesh, but by the other who left his father, the multitude of the Gentiles.