These verses recount the mission of Hud to his people, ʿAad. They relate how its notables insulted him and called him a liar, his reply calling Allah to witness that he disowns what they associate with Him, and the punishment that struck them, making them, like others who were arrogant toward the truth, an example and a lesson.
Verses gathered from a topical index of the Quran, in Mushaf order; every verse is quoted in full.
We only say that some of our gods have possessed you with evil [i.e., insanity]." He said, "Indeed, I call Allāh to witness, and witness [yourselves] that I am free from whatever you associate with Allāh