Isaiah 43:18
Remember ye not the former things, neither consider the things of old.
Cross-reference
Isaiah 65:17 promises a new creation where former things are not remembered — echoing the 'new thing' here.
Jeremiah 16:14 says they will no longer invoke the Exodus deliverance — parallel to forgetting former things and looking to a new act.
Jeremiah 23:7 declares the old exodus oath will be replaced by a new one from the north, directly paralleling the 'forget former things' theme.
Jeremiah 23:8 completes the new oath of deliverance from the north, reinforcing that former things are eclipsed.
Psalm 105:5 commands remembering God's wonders—the opposite of forgetting former things, creating a direct contrast.
2 Corinthians 5:17 declares the old has passed away and the new has come, a strong NT echo of forgetting former things.
Jeremiah 16:15 echoes the call to forget the old exodus, as a new restoration from the north will surpass it.
2 Corinthians 3:10 describes old glory fading before surpassing new glory, mirroring the call to disregard former things.