Luke
Acts 8:12BSB·traditional attribution

But when they believed Philip as he preached the gospel of the kingdom of God and the name of Jesus Christ, they were baptized, both men and women.

John Calvin Reformed @genevareformer

12. When they had believed. That is the miracle whereof I spake because they heard Philip, who were altogether made astonied with the illusions of Simon; in that they were made partakers of the heavenly wisdom who were blockish and dull. So that they were, after a sort, brought from hell to heaven.

Matthew Henry Presbyterian @wholebiblehenry

Samson's riddle is here again unriddled: Out of the eater comes forth meat, and out of the strong sweetness. The persecution that was designed to extirpate the church was by the overruling providence of God made an occasion of the enlargement of it.

Commenting on Acts 8:4-13

John Gill Reformed Baptist @doctorgill

Then Simon himself believed also,.... With an historical and temporary faith, as that Jesus was the Messiah, &c. or at least he pretended, to believe this, and professed that he did believe, what others did, and Philip preached: and when he was baptized; upon profession of his faith, which he so artfully made, that Philip could not discover his hypocrisy: but taking him to be...