Surah Al-Kahf — Ayah 93 (18:93)
حَتَّىٰٓ إِذَا بَلَغَ بَيۡنَ ٱلسَّدَّيۡنِ وَجَدَ مِن دُونِهِمَا قَوۡمٗا لَّا يَكَادُونَ يَفۡقَهُونَ قَوۡلٗا ٩٣
English translation (Saheeh International)
Until, when he reached [a pass] between two mountains, he found beside them a people who could hardly understand [his] speech.
Brief commentary
And he travelled until he reached a gap between two mountains, and he found before them a people who could barely understand the speech of others.