وَمَا And not كُنتَ (did) you تَتْلُوا۟ recite مِن before it قَبْلِهِۦ before it مِن any كِتَـٰبٍۢ Book وَلَا and not تَخُطُّهُۥ (did) you write it بِيَمِينِكَ ۖ with your right hand إِذًۭا in that case لَّٱرْتَابَ surely (would) have doubted ٱلْمُبْطِلُونَ the falsifiers ٤٨
And you did not recite before it any scripture, nor did you inscribe one with your right hand. Then [i.e., otherwise] the falsifiers would have had [cause for] doubt.
— Come To Light