حَتَّىٰٓ إِذَا بَلَغَ مَغْرِبَ ٱلشَّمْسِ وَجَدَهَا تَغْرُبُ فِى عَيْنٍ حَمِئَةٍ وَوَجَدَ عِندَهَا قَوْمًا ۗ قُلْنَا يَـٰذَا ٱلْقَرْنَيْنِ إِمَّآ أَن تُعَذِّبَ وَإِمَّآ أَن تَتَّخِذَ فِيهِمْ حُسْنًا
Hattaaa izaa balagha maghribash shamsi wajadahaaa taghrubu fee 'aynin hami'a tinw wa wajada 'indahaa qawmaa; qulnaa yaa Zal Qarnaini immaaa an tu'az ziba wa immaaa an tattakhiza feehim husnaa
then, when he came to the setting of the sun, he found it [seemed to be] setting into a muddy spring. Nearby he found some people and We said, ‘Dhu ’l-Qarnayn, you may choose [which of them] to punish or show kindness to.’
Until, when he reached the place where the sun sets, he found it setting in a murky spring, and he found a people nearby. We said, 'Dhu al-Qarnayn, you may either punish them or treat them with kindness.'