“…fear the Fire whose fuel is men and stones,- which is prepared for those who reject Faith” (2:24).
“…Enough is Hell for a burning fire. Those who reject Our Signs, We shall soon cast into the Fire… For Allah is Exalted in Power, Wise” (4:55-56).
“But he whose balance (of good deeds) is found to be light, will have his home in a (bottomless) Pit. And what will explain to you what this is? A Fire blazing fiercely!” (101:8-11).
“Those who reject Faith, and die rejecting,- on them is Allah’s curse, and the curse of angels, and of all mankind. They will abide therein: Their penalty will not be lightened, nor will they receive respite” (2:161-162).
“They are (men) whom Allah hath cursed: And those whom Allah Hath cursed, thou wilt find, have no one to help” (4:52).
“…Those who deny (their Lord), for them will be cut out a garment of Fire. Over their heads will be poured out boiling water. With it will be scalded what is within their bodies, as well as (their) skins. In addition there will be maces of iron (to punish) them. Every time they wish to get away therefrom, from anguish, they will be forced back, and (it will be said), “Taste the Penalty of Burning!” (22:19-22).
“In front of such a one is Hell, and he is given, for drink, boiling fetid water” (14:16).
“In its midst and in the midst of boiling hot water will they wander round!” (55:44).
“Is that the better entertainment or the Tree of Zaqqum? For We have truly made it (as) a trial for the wrong-doers. It is a tree that springs out of the bottom of Hell-Fire. The shoots of its fruit-stalks are like the heads of devils. Truly they will eat thereof and fill their bellies therewith. Then on top of that they will be given a mixture made of boiling water. Then shall their return be to the (Blazing) Fire” (37:62-68).
“Verily, the tree of deadly fruit will be the food of the sinful. Like molten lead will it boil in the belly, like the boiling of burning despair” (44:43-46).
“And those who followed would say: ‘If only We had one more chance…’ Thus will Allah show them (the fruits of) their deeds as (nothing but) regrets. Nor will there be a way for them out of the Fire” (2:167)
“As to those who reject Faith: if they had everything on earth, and twice repeated, to give as ransom for the penalty of the Day of Judgment, it would never be accepted of them. Theirs would be a grievous penalty. Their wish will be to get out of the Fire, but never will they get out. Their penalty will be one that endures” (5:36-37).