وَٱلْكِتَٰبِ ٱلْمُبِينِ
By the clear Book,
শপথ সুস্পষ্ট কিতাবের।
The best of you are those who learn the Quran and teach it.(Sahih al-Bukhari 5027)
The Holy Quran › 44. Ad-Dukhaan
Verse 2 of Surah Ad-Dukhaan. This Surah is Meccan and has 59 ayahs; this ayah is in Juz 25.
Sahih International · মুহিউদ্দীন খান — Sources