Luke
Luke 15:30BSB·traditional attribution

But when this son of yours returns from squandering your wealth with prostitutes, you kill the fattened calf for him!’

Matthew Henry Presbyterian @wholebiblehenry

We have here the parable of the prodigal son, the scope of which is the same with those before, to show how pleasing to God the conversion of sinners is, of great sinners, and how ready he is to receive and entertain such, upon their repentance; but the circumstances of the parable do much more largely and fully set forth the riches of gospel grace...

Commenting on Luke 15:11-32

John Gill Reformed Baptist @doctorgill

But as soon as this thy son was come,.... He will not own him in the relation of a brother, though the father had owned him in that of a son; and the offence he took was, that the fatted calf should be killed, or that a crucified Christ should be preached; that he should be preached at all, and much less that he should...

Albert Barnes Presbyterian @notesbybarnes

Verse 30. This thy son. This son of thine. This is an expression of great contempt. He did not call him his brother, but his father's son, to show at once his contempt for his younger brother, and for his father for having received him as he did. Never was there a more striking instance of petty malice, or more unjustifiable disregard of a father's conduct and will. Thy living.