“If we confess our sins, he is faithful and just and will forgive us our sins and purify us from all unrighteousness.” John 1:9
“But one thing I do: Forgetting what is behind and straining toward what is ahead, I press on toward the goal to win the prize for which God has called me heavenward in Christ Jesus.” Philippians 3:13-14
Even if you don't believe in God, the Bible is full of wisdom about life.