حَتَّىٰٓ إِذَا بَلَغَ مَغۡرِبَ ٱلشَّمۡسِ وَجَدَهَا تَغۡرُبُ فِى عَيۡنٍ حَمِئَةٍ وَوَجَدَ عِندَهَا قَوۡمًا ۗ قُلۡنَا يَٰذَا ٱلۡقَرۡنَيۡنِ إِمَّآ أَن تُعَذِّبَ وَإِمَّآ أَن تَتَّخِذَ فِيهِمۡ حُسۡنًا
Until, when he reached the setting of the sun, he found it set in a spring of murky water: Near it he found a People: We said: "O Zul-qarnain! (thou hast authority,) either to punish them, or to treat them with kindness."<br/>
until, when he reached the setting of the sun, the place where it sets, he found it setting in a muddy spring ('ayn hami'a: [a spring] containing ham'a, which is black clay): its setting in a spring is [described as seen] from the perspective of the eye, for otherwise it is far larger [in size] than this world; and he found by it, that is, [by] the spring, a folk, of disbelievers. We said, 'O Dhoo'l-Qarnayn - by [means of] inspiration - either chastise, the folk, by slaying [them], or treat them kindly', by [merely] taking them captive.