'Permanent' in the Bible

I will give the whole land of Canaan -- the land where you are now residing -- to you and your descendants after you as a permanent possession. I will be their God."

They must indeed be circumcised, whether born in your house or bought with money. The sign of my covenant will be visible in your flesh as a permanent reminder.

The field and the cave in it were deeded over to Abraham by the Hittites as a [permanent] possession and burial place.