48

And you did not use to recite before this, namely, [before] the Qur'ān, any [other] Book, nor did you write it with your right hand, for, had you been reciting [something] and writing, then those who follow falsehood, the Jews, would have had doubts, about you and would have said, 'What the Torah states is that he will be unlettered (ummī), unable to read or write'.