And We had certainly given Moses the Scripture, but it came under disagreement. And if not for a word1 that preceded from your Lord, it would have been judged between them. And indeed they are, concerning it [i.e., the Qur’ān], in disquieting doubt.
I had given Moses the Torah, but people differed with respect to it: some of them believed, while others did not. Had it not been for Allah’s prior decree that the punishment will not come quickly, but will be postponed until the Day of Judgement for a reason, the punishment they deserve would have come down on them in this world. The disbelieving Jews and idolaters are in doubt about the Qur’ān, which creates uncertainty in them.