Surah Al-Kahf Verse 86 - English Translation by N J Dawood
Surah Al-Kahfحَتَّىٰٓ إِذَا بَلَغَ مَغۡرِبَ ٱلشَّمۡسِ وَجَدَهَا تَغۡرُبُ فِي عَيۡنٍ حَمِئَةٖ وَوَجَدَ عِندَهَا قَوۡمٗاۖ قُلۡنَا يَٰذَا ٱلۡقَرۡنَيۡنِ إِمَّآ أَن تُعَذِّبَ وَإِمَّآ أَن تَتَّخِذَ فِيهِمۡ حُسۡنٗا
until he reached the West and saw the sun setting in a pool of black mud. Hard by he found a certain people. ‘"Dhūl-Qarnayn," We said, "you must either punish them or show them kindness