"Do penance: bury your negligences, offenses, and sins in the deep pit dug by your humility. Thus does the farmer bury rotten fruit, dead twigs and fallen leaves at the foot of the tree that bore them. And what was unfruitful, even harmful, makes a real contribution to a new fertility.
Learn to draw from your falls a new impulse: from death, life."
~St. Josemaria Escriva, The Way, 211
I had to read this point a couple of times before the message really sunk in...