Charles Spurgeon Commentary Matthew 21:37

"But afterward he sent unto them his son, saying, They will reverence my son." — Matthew 21:37 (ASV)

The sending of his son was the householder’s last resort. Luke represents him as saying, “What shall I do?” He might have resolved at once to punish the evildoers, but his action proved that mercy had triumphed over wrath. Last of all he sent his son to them. The sending of Jesus to Jerusalem was God’s ultimatum. If He should be rejected, judgment must fall upon the guilty city. It seemed impossible that His mission could fail. In sending His beloved Son, the Father seemed to say, “Surely, ‘they will reverence my son.’ Can they go to the length of showing contempt for the Heir of all things? Will not His own beauty and majesty overawe them? Heaven adores Him. Hell trembles at Him. Surely, they will reverence My Son.”