But they failed to make a just estimation of God when they said: “He did not reveal to any man any thing.” Ask them: “Who then revealed the Book that Moses brought, – a guidance and light for men, – which you treat as sheafs of paper, which you display, yet conceal a great deal, though through it you were taught things you did not know before, nor even your fathers knew?” Say: “God,” and leave them to the sport of engaging in vain discourse.