56:76
وَإِنَّهُ لَقَسَمٌ لَّوْ تَعْلَمُونَ عَظِيمٌ
Transliteration:
Wa-innahu laqasamun law taAAlamoona AAatheemun
Word by Word:
And indeed, it (is) surely an oath, if you know - great,
Translations:
and, behold, this is indeed a most solemn affirmation, if you but knew it!
And that is indeed a mighty adjuration if ye but knew,-
And lo! that verily is a tremendous oath, if ye but knew -
And it is a great oath indeed, if you knew --
And indeed, it is an oath - if you could know - [most] great.