'Forever' in the Bible

Bathsheba bowed with her face to the ground, paying homage to the king, and said, “May my lord King David live forever!”

Their blood will come back on Joab’s head and on the head of his descendants forever, but for David, his descendants, his dynasty, and his throne, there will be peace from the Lord forever.”

but King Solomon will be blessed, and David’s throne will remain established before the Lord forever.”

I have indeed built an exalted temple for You,a place for Your dwelling forever.

The Lord said to him:I have heard your prayer and petition you have made before Me. I have consecrated this temple you have built, to put My name there forever; My eyes and My heart will be there at all times.

I will establish your royal throne over Israel forever, as I promised your father David: You will never fail to have a man on the throne of Israel.

And blessed be the LORD your God, who is delighted with you! He set you in place on the throne of Israel because the LORD loved Israel forever. That's why he made you to be king, so you could carry out justice and implement righteousness."

I will humble David’s descendants, because of their unfaithfulness, but not forever.’”

They replied, “Today if you will be a servant to these people and serve them, and if you respond to them by speaking kind words to them, they will be your servants forever.”