Allah: You don't believe in the Quran? You will be tortured with fire - forever

"Indeed, those who disbelieve in Our verses - We will drive them into a Fire. Every time their skins are roasted through We will replace them with other skins so they may taste the punishment. Indeed, Allah is ever Exalted in Might and Wise."
Quran 4:56

"And as for those who disbelieved, I will punish them with a severe punishment in this world and the Hereafter, and they will have no helpers."
Quran 3:56

"We will cast terror into the hearts of those who disbelieve for what they have associated with Allah of which He had not sent down [any] authority. And their refuge will be the Fire, and wretched is the residence of the wrongdoers."
Quran 3:151