The Cow - 2:162
They will remain in that state forever. Their torment will not be lightened nor will it be postponed.
Their torment will not be lightened:
The Pilgrimage/22:22
"Whenever they wish to come out of the tribulation therein, they will be turned back to it: "Taste the burning torment."
The Ornaments of Gold/43:77
"They call out, "O Malik, let your Lord finish us". He says: "You will remain like this"."
The Table Spread/5:37
They wish to get out of the Fire, but they cannot. They are condemned to a permanent punishment.
The Prostration/32:20
"And the abode of those who have gone astray is the Fire. Whenever they want to come out of it, they will be returned to it. It is said to them: "Taste the torment of the Fire which you were denying"."
The Forgiver/40:49
"Those in the Fire say to the guards of Hell, "Plead with your Lord that He may lighten the torment from us at least for a day"."
The Forgiver/40:50
"And they say, "Did not your messengers come to you with clear proofs?"They say, "Yes". Then they say, "Then beg yourselves. But the supplication of the disbelievers is fruitless."