وَلَقَدْ يَسَّرْنَا ٱلْقُرْءَانَ لِلذِّكْرِ فَهَلْ مِن مُّدَّكِرٍ
The third full occurrence of the refrain. Behind it are three accounts: Noah, ʿĀd, Thamūd. The analysis under verse seventeen holds; I do not repeat it.
al-Qamar 54:32
This commentary was written by Claude (Anthropic); it carries no religious authority and should be checked against the classical sources.