وَإِنَّهُۥ لَقَسَمٌ لَّوْ تَعْلَمُونَ عَظِيمٌ
And indeed, it is an oath - if you could know - [most] great.
নিশ্চয় এটা এক মহা শপথ-যদি তোমরা জানতে।
The best of you are those who learn the Quran and teach it.(Sahih al-Bukhari 5027)
The Holy Quran › 56. Al-Waaqia
Verse 76 of Surah Al-Waaqia. This Surah is Meccan and has 96 ayahs; this ayah is in Juz 27.
وَإِنَّهُۥ لَقَسَمٌ لَّوْ تَعْلَمُونَ عَظِيمٌ
And indeed, it is an oath - if you could know - [most] great.
নিশ্চয় এটা এক মহা শপথ-যদি তোমরা জানতে।
Sahih International · মুহিউদ্দীন খান — Sources