Al-Kahf · Ayah 93
حَتَّىٰٓ إِذَا بَلَغَ بَيْنَ ٱلسَّدَّيْنِ وَجَدَ مِن دُونِهِمَا قَوْمًا لَّا يَكَادُونَ يَفْقَهُونَ قَوْلًا
Until, when he reached [a pass] between two mountains, he found beside them a people who could hardly understand [his] speech.
Quran 18:93 (Al-Kahf) · Saheeh International, Noor International Center (QuranEnc v1.1.2)