Sura 18 Al-Kahf (The Cave), ajet 93

1. حَتَّىٰ إِذَا بَلَغَ بَيْنَ السَّدَّيْنِ وَجَدَ مِنْ دُونِهِمَا قَوْمًا لَا يَكَادُونَ يَفْقَهُونَ قَوْلًا

   Until, when he reached (a pass) between two mountains, he found beside them a people who could hardly understand (his) speech.

   18:93

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