" Belief isn’t simply a thing for fair times and bright days, I think. What is belief—what is faith—if you don’t continue in it after failure?” Vin frowned. “Anyone can believe in someone, or something, that always succeeds, Mistress. But failure… ah, now, that is hard to believe in, certainly and truly. Difficult enough to have value, I think. "

― Brandon Sanderson , The Final Empire (Mistborn, #1)