But when he saw many of the Pharisees and Sadducees coming to his baptism, he said to them, “You brood of vipers! Who warned you to flee from the wrath to come?
Matthew 3:7. And when he saw many of the Pharisees. It is here related by Matthew and Luke, that John did not merely preach repentance in a general manner, but that he also applied his discourse to individuals. And the manner of teaching will, in point of fact, be very unprofitable, if instructors do not judiciously inquire what the season demands, and what belongs to individuals.
The doctrine John preached was that of repentance, in consideration of the kingdom of heaven being at hand; now here we have the use of that doctrine. Application is the life of preaching, so it was of John's preaching. Observe, 1. To whom he applied it; to the Pharisees and Sadducees that came to his baptism, Mat 3:7.
Commenting on Matthew 3:7-12
But when he saw many of the Pharisees,.... This being the first place in which mention is made of the Pharisees and Sadducees, it may not be amiss to give some account of them once for all, and to begin with the Pharisees, and first with their name.