To try again. Nothing is ever wasted. We stumble either because of vulnerability/lack of strength, ego, drive and motivation, or because we see things in one way and God sees it in another.
Still, they are all life lessons and will ultimately increase or wisdom and fortitude. History is full of men in many walks of life who initially failed and refused to give up. They finally succeeded or became pioneers for others to succeed. All memories are recorded in the Soul and ultimately helps its progress.