صحيح البخاري
Sahih Bukhari
كتاب فضائل القرآن
The Book of The Virtues of The Quran
باب نزل القرآن بلسان قريش والعرب:
Chapter. The Quran was revealed in the language of Quraish and the Arabs. "...An Arabic Quran..." (V.12:2) "In the plain Arabic language." (V.26:195)
