Then said the lord of the vineyard, What shall I do? I will send my beloved son: it may be they will reverence him when they see 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.