Al-Kahf 93

حَتَّىٰٓ إِذَا بَلَغَ بَيْنَ ٱلسَّدَّيْنِ وَجَدَ مِن دُونِهِمَا قَوْمًا لَّا يَكَادُونَ يَفْقَهُونَ قَوْلًا ﴿٩٣﴾

Hatta itha balagha bayna alssaddayni wajada min doonihima qawman la yakadoona yafqahoona qawlan

Until, when he reached between two mountains, he found, before (near) them (those two mountains), a people who scarcely understood a word. The Noble Quran