In many of the Koranic verses “living in paradise forever” is noticed referring to the eternal aspect of the Heaven:
1- Pioneers comprise the first Migrants and supporters, as well as those who have adhered to them by showing any kindness. God is pleased with them, while they are pleased with him, he has prepared gardens through which rivers flow for them to remain in for remain in forever. That will mean the supreme Achievement! (9:100)
2- God will show anyone who believes in Him and acts honorably into gardens through which rivers flow to live there forever. (65:11)
3- He will remit the misdeeds of anyone who believes in God and has acted honorably and show him into gardens through which rivers flow, to live there for ever. That will be the supreme Achievement! (64:9)
4-those who believe and perform honourable deeds will be inhabitants of the Garden, they will live in it forever.(2:82)
5-those who believe and perform honourable deeds [will find] we never assign any soul more than it can cope with. Those will become inhabitants of the Garden, they will live in it forever.( 7: 42)
About the hell also it is mentioned that some will live in forever referring to the eternity of sinner’s punishment.
The eternity Paradise Beliefs in the Koran Divine blessing The Day of Judgement Consequences of deeds Human