If we allow the mistakes, sins and regrets of the past to hold us back – and we brood over them – we will not make any progress.
“Therefore we do not lose heart. Though outwardly we are wasting away, yet inwardly we are being renewed day by day. For our light and momentary troubles are achieving for us an eternal glory that far outweighs them all. So we fix our eyes not on what is seen, but on what is unseen. For what is seen is temporary, but what is unseen is eternal” (2 Corinthians 4: 16-18).
In a poignant beach scene in John chapter 21, the resurrected Christ served fish and bread to Peter and then confronted him. The disciple who once denied Jesus three times was challenged to serve God anew.