Then the owner of the vineyard said, ‘What shall I do? I will send my beloved son; perhaps they will respect him.’
Christ spoke this parable against those who were resolved not to own his authority, though the evidence of it was ever so full and convincing; and it comes very seasonably to show that by questioning his authority they forfeited their own. Their disowning the lord of their vineyard was a defeasance of their lease of the vineyard, and giving up of all their title. I.
Commenting on Luke 20:9-19
So they cast him out of the vineyard,.... Rejected him as the Messiah, even denied that he was of the Jewish nation; said he was a Samaritan, and delivered him to the Gentiles that were without, and were aliens from the commonwealth of Israel; and at last had him without their city, and put him to death, as follows: and killed him; the Prince of...
my beloved son--Mark (Mar 12:6) still more affectingly, "Having yet therefore one son, his well-beloved"; our Lord thus severing Himself from all merely human messengers, and claiming Sonship in its loftiest sense. (Compare Heb 3:3-6.) it may be--"surely"; implying the almost unimaginable guilt of not doing so.