said, “Each prophet was sent exclusively to his own people, whereas I have been sent to all people universally.” 89/a (1)

It was also said that kaffatan means one who restrains them from the disbelief in which they are immersed; the final h is for emphasis.

“They ask, ‘When will this promise be fulfilled, if you are truthful?’ Say, ‘You have an appointment on a Day which you can neither delay by a single hour nor bring forward.’ The disbelievers say, ‘We will never believe in this Quran, nor in that which came before it.’ If only you could see the wrongdoers standing before their Lord, throwing words back and forth at one another. Those who were deemed weak will say to those who were arrogant, ‘Were it not for you, we would have been believers.’” (29–31)