Historical narratives as moral instruction

وَيَسْـَٔلُونَكَ عَن ذِى ٱلْقَرْنَيْنِ ۖ قُلْ سَأَتْلُوا۟ عَلَيْكُم مِّنْهُ ذِكْرًا

And they ask you, [O Muḥammad], about Dhul-Qarnayn. Say, "I will recite to you about him a report."