29:48
وَ مَا كُن تَ تَتْلُوا۟ مِن قَبْلِ هِۦ مِن كِتَٰبٍ وَ لَا تَخُطُّ هُۥ بِ يَمِينِ كَ إِذًا لَّ ٱرْتَابَ ٱلْ مُبْطِلُونَ
And you did not recite before it any scripture, nor did you inscribe one with your right hand. Otherwise the falsifiers would have had [cause for] doubt.