Bear fruit in keeping with repentance.
Matthew 3:8; Luke 3:8. Yield therefore fruits worthy of repentance. He confirms what I have already said, that the repentance, which is attested by words, is of no value, unless it be proved by the conduct: for it is too important a matter to be estimated lightly, or at random.
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
Bring forth therefore fruits,.... That is, if you are truly penitent, if you have a proper sense of sin, and true repentance for it, do such works as are suitable to it, and will show the genuineness of it; for fruits meet for repentance are the same as "works meet for repentance", Act 26:20 and as a tree is known by its fruit, so repentance...