Matthew Henry's Concise Commentary on the Bible - Matthew 21:28-32
28-32 Parables which give reproof, speak plainly to the offenders, and judge them out of their own mouths. The parable of the two sons sent to work in the vineyard, is to show that those who knew not John's baptism to be of God, were shamed by those who knew it, and owned it. The whole human race are like children whom the Lord has brought up, but they have rebelled against him, only some are more plausible in their disobedience than others. And it often happens, that the daring rebel is... read more
George Haydock's Catholic Bible Commentary - Matthew 21:28
A certain man had two sons, &c. The ancient interpreters, by the first son generally understand the Gentiles, as also publicans and scandalous sinners; and by the second, the Jewish people. The Gentiles, &c. who at the first did not, would not worship and serve God; yet afterwards they, as also publicans, and many sinners, received the faith, and being converted, became faithful servants of God, and saints: the Jews, or the greatest part of them, who pretended to be God's servants, and... read more