And if We had made it a Lecture (Quran) in a foreign tongue, they would certainly have said, "Why have not its verses been explained clearly? What! A foreign (tongue) and an Arab (messenger)!" Say, "It is to those who believe, a guidance and a healing; and as for those who disbelieve, there is a deafness in their ears and it is blindness (obscurity) to them; these shall be called to from afar.