'Forever' in the Bible

then you'll say to them, "Because the waters of the Jordan River were cut off in front of the Ark of the Covenant of the LORD. When it crossed the Jordan River, the waters of the Jordan were cut off.' So these stones will become a memorial to the Israelis forever."

that all the peoples of the earth may know that the hand of the Lord is mighty, so that you may fear the Lord your God forever.”

So Joshua burned Ai and made it a heap forever, a desolation until this day.

On that day Moses promised me: ‘The land where you have set foot will be an inheritance for you and your descendants forever, because you have remained loyal to the Lord my God.’