'Forever' in the Bible

Therefore, Naaman’s skin disease will cling to you and your descendants forever.” So Gehazi went out from his presence diseased—white as snow.

The Lord was unwilling to destroy Judah because of His servant David, since He had promised to give a lamp to David and his sons forever.

They also tore down the sacred pillar of Baal and tore down the house of Baal, and made it into a latrine [forever unclean] to this day.

Furthermore, you are to be careful to observe forever the statutes, ordinances, law, and the commandment that he wrote for you. And you are not to fear other gods.

Manasseh set up the carved image of Asherah, which he made, in the temple that the Lord had spoken about to David and his son Solomon, “I will establish My name forever in this temple and in Jerusalem, which I have chosen out of all the tribes of Israel.

He broke in pieces the sacred pillars (cultic memorial stones, images) and cut down the Asherim and replaced them with human bones [to desecrate the places forever].

All the priests of the high places who were there he slaughtered on the altars, and burned human bones on them [to desecrate the places forever]. Then he returned to Jerusalem.