M. H. Shakir, The Holy Quran; Arabic Text and English Translation; Foot-notes by M. H. Shakir (1974)
81. So we desired that their Lord might give them in his place one better than him in purity and nearer to having compassion.
82. And as for the wall, it belonged to two orphan boys in the city, and there was beneath it a treasure belonging to them, and their father was a righteous man; so your Lord desired that they should attain their maturity and take out their treasure, a mercy from your Lord, and I did not do it of my own accord. This is the significance of that with which you could not have patience.
83. And they ask you about Zulqarnain.* Say: I will recite to you an account of him.
84. Surely We established him in the land and granted him means of access to every thing,
85. So he followed a course.
86. 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.
87. He said: As to him who is unjust, we will chastise him,
* Popular opinion is that Zulqarnain was Alexander the Great.