It is hard to see eternal purpose through the grit and grime of experience.  So, our spirits have to be renewed, and that starts with cleaning life’s grime off the windows.  That’s why David prayed in Psalm 51,  “Create in me a clean heart, [send your window-cleaning presence!] O God, and renew a steadfast spirit within me.”  A steadfast spirit is a spirit that circumstances cannot bully, that emotions cannot control and that experiences cannot defeat.  (v.11) “Don’t cast me away from your presence and don’t take your Holy Spirit from me. Restore to me the joy of your salvation and sustain me with a willing spirit.” (NAU) A willing spirit is a spirit that is willing to try again, that is willing to believe again and that is willing to hope again.