Philippians 3:13-14(New Living Translation)
13 No, dear brothers and sisters, I have not achieved it, but I focus on this one thing: Forgetting the past and looking forward to what lies ahead, 14 I press on to reach the end of the race and receive the heavenly prize for which God, through Christ Jesus, is calling us.
All of us know people that constantly dwell in the past. No matter what happens, they are always dredging up what happened in the past as the reason for it. This is especially true if that person encounters failure; something in the past is always the cause. Instead of accepting responsibility and moving on they remain stuck in the past and never move forward into the future.
On the other hand, there are those who look to the past and the days gone by as the good times. That is so true of society these days. Many well-meaning Christians talk much about how it used to be rather than working to change things today. The problem with looking back in this case is that complacency sets in; that's because we think that it will never be as good as the past, so why even try to change things?
Both of these situations may be true for all of us at one time or another. There are times when we get so tired of fighting the difficulties of today, that we would rather just stay in the past and recall better days. We get ourselves stuck and the resulting complacency can really tie us down. Sooner than later we can so deep in the pit that it takes a huge effort to climb out, and without God it might be almost impossible.
We can't spend our lives looking in the rearview mirror. God wants us to forget the past, because what is done is done. That is what salvation is all about. In Jesus Christ we have the opportunity to have our past washed away in His precious blood. No longer do we have to carry the burden of the bad that we have done, but we can look forward to the future that God has in store, a blessed future here and now, and for eternity.