They said, "O Dhul-Qarnayn, indeed Gog and Magog are [great] corrupters in the land. So may we assign for you an expenditure that you might make between us and them a barrier?"

He said, "That in which my Lord has established me is better [than what you offer], but assist me with strength; I will make between you and them a dam.

Bring me sheets of iron" - until, when he had leveled [them] between the two mountain walls, he said, "Blow [with bellows]," until when he had made it [like] fire, he said, "Bring me, that I may pour over it molten copper."

So Gog and Magog were unable to pass over it, nor were they able [to effect] in it any penetration.

That I might do righteousness in that which I left behind." No! It is only a word he is saying; and behind them is a barrier until the Day they are resurrected.

And it is He who has released [simultaneously] the two seas, one fresh and sweet and one salty and bitter, and He placed between them a barrier and prohibiting partition.

Is He [not best] who made the earth a stable ground and placed within it rivers and made for it firmly set mountains and placed between the two seas a barrier? Is there a deity with Allah ? [No], but most of them do not know.

And prevention will be placed between them and what they desire, as was done with their kind before. Indeed, they were in disquieting denial.

And We have put before them a barrier and behind them a barrier and covered them, so they do not see.

He released the two seas, meeting [side by side];