Matthew
Matthew 3:11BSB·traditional attribution

I baptize you with water for repentance, but after me will come One more powerful than I, whose sandals I am not worthy to carry. He will baptize you with the Holy Spirit and with fire.

John Calvin Reformed @genevareformer

The three Evangelists relate the Baptist’s discourse in the same words. In one respect, Luke’s account is more full: for he opens it by explaining the occasion on which this discourse was delivered. It arose from the people being in danger of being led, by a false opinion, to convey to him the honor which was due to Christ.

Matthew Henry Presbyterian @wholebiblehenry

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

John Gill Reformed Baptist @doctorgill

I indeed baptize you with water,.... These words, at first view, look as if they were a continuation of John's discourse with the Pharisees and Sadducees, and as though he had baptized them; whereas by comparing them with what the other Evangelists relate, see Mar 1:5 they are spoken to the people, who, confessing their sins, had been baptized by him; to whom he gives...