But if they turn away - then We have not sent you, [O Muhammad], over them as a guardian; upon you is only [the duty of] notification. And indeed, when We let man taste mercy from us, he rejoices in it; but if evil afflicts him for what his hands have put forth, then indeed, man is ungrateful.
And it is not for any human being that Allah should speak to him except by revelation or from behind a partition or that He sends a messenger to reveal, by His permission, what He wills. Indeed, He is Most High and Wise.
And thus We have revealed to you an inspiration of Our command. You did not know what is the Book or [what is] faith, but We have made it a light by which We guide whom We will of Our servants. And indeed, [O Muhammad], you guide to a straight path -