SURAH 3.21: As to those who deny the Signs of Allah, and in defiance of right, slay the prophets, and slay those who teach just dealing with mankind, announce to them a grievous penalty
SURAH 3.56: As to those who reject Faith, I will punish them with terrible agony in this world and in the Hereafter, nor will they have anyone to help
SURAH 4.56: Those who reject our Signs, we shall son cast into the fire: as often as their skins are roasted through, we shall change them for fresh skins, that they may taste the penalty: for Allah is exalted in power, wise