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 the land of the rising of the sun, he found it rising on a people to whom We had given no shelter from It;

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.