They did not regard Allah with the regard due to Him when they said, ‘Allah has not sent down anything to any human.’ Say, ‘Who had sent down the Book that was brought by Moses as a light and guidance for the people, which You make into parchments that you display, while you conceal much of it, and [by means of which] you were taught what you did not know, [neither] you nor your fathers?’ Say, ‘Allah!’ Then leave them to play around in their impious gossip.