if none of them read the Koran anymore:
Koran 98:1-8
The unbelievers among the People of the Book and the pagans shall burn for ever in the fire of Hell. They are the vilest of all creatures.
Koran 22:19-22:23
Garments of fire have been prepared for the unbelievers. Sclading water shall be poured upon their heads, melting their skins and that which is in their bellies. They shall be lashed rods of iron. Whenever, in their anguish, they try to escape from Hell, back they shall be dragged, and will be told: 'Taste the torment of the Conflagration!'
Koran 18:28-30
For the wrongdoers We have prepared a fire which will encompass them like the walls of a pavilion. When they cry out for help they shall be showered with water as hot as molten brass, which will scald their faces. Evil shall be their drink, dismal their resting-place.
Koran 40:67-40:73
Do you not see how those who dispute the revelation of God turn away from the right path ? Those who have denied the Book and the message We sent through Our apostles shall realize the truth hereafter: when, with chains and shackles round their necks, they shall be dragged through scalding water and then burnt in the fire of Hell.
Koran 43:74
..The unbelievers shall endure forever the torment of Hell. The punishment will never be lightened, and they shall be speechless with despair. We do not wrong, themselves.
Koran 55:41-52
..That is the Hell which the unbelievers deny. They shall wander between fire and water fiercely seething. Which of your Lord's blessing would you deny ?
Koran 76:1-5
For the unbelievers We have prepared chains and fetters and a blazing Fire...
Koran 73:12
We have in store for the unbelievers heavy fetters and a blazing fire, choking food and harrowing torment: on the day when the earth shall quiver with all its mountains, and the mountains crumble into heaps of shifting sand.
Koran 77:20-77:50
Woe on that day to the disbelievers! Begone to the Hell which you deny! Depart into the shadow that will rise high in three columns, giving neither shade nor shelter from the flames, and throwing up sparks as huge as towers, as bright as yellow camels...Eat and enjoy yourselves awhile. You are wicked men..."
Koran 8:73
The unbelievers give aid and comfort to each other. If you fail to do likewise, there will be disorder in the land and great corruption.
Koran 21:96-21:101
..The unbelievers shall stare in amazement, crying: 'Woe to us! Of this we have been heedless. We have done wrong.' You and your idols shall be the fuel of Hell; therein you sall all go down.
Koran 33:7-12
...But for the unbelievers He has prepared a woeful punishment...
Koran 44:40-49
..The fruit of the Zaqqum tree shall be the unbelievers's fruit. Like dregs of oil, like scalding water, it shall simmer in his belly. A voice will cry: 'Seize him and drag him into the depths of Hell. Then pour out scalding water over his head, saying: "Taste this, illustrious and honourable man! This is the punishment which you have doubted."
Koran 52:1-52:15
..On that day they shall be sternly thrown into the fire of Hell, and a voice will say to them: 'This is the Fire which you denied...Burn in its flames. It is the same whether or not you show forbearance. You shall be rewarded according to your deeds.'
Koran 31-37
And burn ye him in the blazing fire. Further, make him march in a chain, whereof the length is seventy cubits. This was he that would not believe in allah Most high amd would not encourage the feeding of the indignant. So no friend hath he here this day. Nor hath he any food except the corruption from the washing of wounds.
Koran 56:52-56
Ye shall surely taste of the tree Zaqqum. Then will ye fill your insides therwith, and drink boiling water on top of it. Indeed ye shall drink like diseased camels raging with thirst. Such will be their entertainment on the day of Requital!
Koran 69:30-37
We shall say: 'Lay hold of him and bind him. Burn him in the fie of Hell, then fasten him with a chain seventy cubits long. For he did not believe Allah the tremendous, and urged not on the feeding of the wretched. Today he shall be friendless here; filth shall be his food, the filth which sinners eat...
Koran 2:39
Those who reject faith shall be the companions of the Fire.
Koran 2:89-90
The curse of Allah is on the unbelievers... humiliating is the punishment.
Koran 13:13
..He hurls his thunderbolts at whom he pleases Yet the unbelievers wrangle about Allah..
Koran 58:5
Those who resist Allah and his messenger will be humbled to dust.
Koran 70:15-16
The fire of Hell will pluck out his being right to the skull..
Koran 5:10
As for those who disbelieve and deny Our revelations, they are the heirs of Hell.