Luke
Acts 8:13ESV·traditional attribution

Even Simon himself believed, and after being baptized he continued with Philip. And seeing signs and great miracles performed, he was amazed.

John Calvin Reformed @genevareformer

13. Simon also himself. He which had besotted the whole city with his witchery receiveth the truth together with others. He which had boasted himself to be the principal power of God submitteth himself to God, [Christ; ] though he were brought to the knowledge of the gospel, not so much for his own sake alone, as for the whole country’s sake, that that offense...

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

Now when the apostles which were at Jerusalem,.... Not that there were some at Jerusalem, and some elsewhere; for they all tarried at Jerusalem, when the rest of the ministers of the word were scattered abroad; though it is possible, that by this time, some of them might have departed from hence; but it seems more probable, that they were as yet all here: these...