But what think ye? A certain man had two sons; and he came to the first, and said, Son, go work to day in my vineyard.
Ver. 28. But what think you?] Christ reporteth himself to their own consciences, while he proveth John Baptist's ministry to be from heaven, by the happy success he had in converting the vilest sinners. See Jer 23:22; 1 Corinthians 9:2. The people's fruitfulness is the minister's testimonial, 2 Corinthians 3:2. If but one of a city, or two of a family be gained to God, it is a sign that the pastors are according to God's own heart,Jeremiah 3:14,15 .