ANSWER:

What he has said is absolutely wrong! His aqeedah is that of the khawarij.

No Muslim, who did not do shirk, would be in hell forever.

Sheikh one of my friend says that if a Muslim do a sin even if it is one sin and he do it whole life he knows that this is haram and fear Allah but he do that sin whole life even if it is one then he can enter into hell permanently he says it is written in Qur’an…? What do you say about him any advice for him