Because we must be weak to be strong. All that we go through determines our strength and those who are the strongest do not have the easiest past. They did not take the smooth paved road, they took the rocky one.
"Let your faith be bigger than your fear." I like this because fear is a daily companion to me, and it seems sometimes like I will never be free of it. But maybe I can feed my faith and the fear will one day be dwarfed, if never quite gone.