Until when he reached the place where the sun set, he found it going down into a black sea, and found by it a people. We said: O Zulqarnain! either give them a chastisement or do them a benefit.

Until when he reached (a place) between the two mountains, he found on that side of them a people who could hardly understand a word.

And when he attained to working with him, he said: O my son! surely I have seen in a dream that I should sacrifice you; consider then what you see. He said: O my father! do what you are commanded; if Allah please, you will find me of the patient ones.