>>10720821God said that he would bring upon Israel an "everlasting (olam) reproach and a perpetual shame which shall not be forgotten" (Jer. 23:40), and that he would make Jerusalem an "everlasting (olam) desolation" (Jer. 25:9). However, the judgment upon Israel that is in view lasted only 70 years (Jer. 25:12). After the 70 years the Persians annexed Babylon and the jews returned to Jerusalem. (Ezra 1:13). Forever only lasted 70 years.
Jeremiah 23:40 King James Version
40 And I will bring an everlasting reproach upon you, and a perpetual(olam) shame, which shall not be forgotten.
Jeremiah 25:9 King James Version
9 Behold, I will send and take all the families of the north, saith the Lord, and Nebuchadrezzar the king of Babylon, my servant, and will bring them against this land, and against the inhabitants thereof, and against all these nations round about, and will utterly destroy them, and make them an astonishment, and an hissing, and perpetual(olam) desolations.
Jeremiah 25:12 KJV
12 And it shall come to pass, when seventy years are accomplished, that I will punish the king of Babylon, and that nation, saith the Lord, for their iniquity, and the land of the Chaldeans, and will make it perpetual(olam) desolations.
1 Samuel 1:22,28 KJV
22 But Hannah went not up; for she said unto her husband, I will not go up until the child be weaned, and then I will bring him, that he may appear before the Lord, and there abide for ever.
28 Therefore also I have lent him to the Lord; as long as he liveth he shall be lent to the Lord. And he worshipped the Lord there.
Ezra 1:2-3 KJV
2 Thus saith Cyrus king of Persia, The Lord God of heaven hath given me all the kingdoms of the earth; and he hath charged me to build him an house at Jerusalem, which is in Judah.
3 Who is there among you of all his people? his God be with him, and let him go up to Jerusalem, which is in Judah, and build the house of the Lord God of Israel, (he is the God,) which is in Jerusalem.