Even so have We appointed unto every prophet an opponent from among the guilty; but Allah sufficeth for a Guide and Helper. (31)

And those who disbelieve say: Why is the Qur'an not revealed unto him all at once? (It is revealed) thus that We may strengthen thy heart therewith; and We have arranged it in right order. (32)

And they bring thee no similitude but We bring thee the Truth (as against it), and better (than their similitude) as argument. (33)

Those who will be gathered on their faces unto hell: such are worse in plight and further from the right road. (34)

We verily gave Moses the Scripture and placed with him his brother Aaron as henchman. (35)

Then We said: Go together unto the folk who have denied Our revelations. Then We destroyed them, a complete destruction. (36)

And Noah's folk, when they denied the messengers, We drowned them and made of them a portent for mankind. We have prepared a painful doom for evil-doers. (37)

And (the tribes of) A'ad and Thamud, and the dwellers in Ar-Rass, and many generations in between. (38)

Each (of them) We warned by examples, and each (of them) We brought to utter ruin. (39)

And indeed they have passed by the township whereon was rained the fatal rain. Can it be that they have not seen it? Nay, but they hope for no resurrection. (40)