Luke
Acts 26:13ESV·traditional attribution

At midday, O king, I saw on the way a light from heaven, brighter than the sun, that shone around me and those who journeyed with me.

John Calvin Reformed @genevareformer

13. At midday, O king. The narration tendeth to this end, that king Agrippa may understand that it was no vain visure or ghost, neither was it any such trance as brought him into some madness, so that he was destitute of judgment. “Quae mentis sanitatem vel judicium illi eriperet,” as deprived him of his sober senses, or the power of judging.

Matthew Henry Presbyterian @wholebiblehenry

All who believe a God, and have a reverence for his sovereignty, must acknowledge that those who speak and act by his direction, and by warrant from him, are not to be opposed; for that is fighting against God. Now Paul here, by a plain and faithful narrative of matters of fact, makes it out to this august assembly that he had an immediate call...

Commenting on Acts 26:12-23

John Gill Reformed Baptist @doctorgill

At midday, O king,.... So in Act 12:6. This circumstance is omitted in Act 9:3. King Agrippa is called upon by the apostle, to excite his attention to what he was about to relate, it being very wonderful, and of great importance.