Evil is a source of moral intelligence in the sense that we need to learn from our shadow, from our dark side, in order to be good.
I stood there and stared, into the sky and at the city around me. I stood, hands at my side, and I saw what had happened to me and who I was and the way things would always be for me. Truth. There was no more wishing, or wondering. I knew who I was, and what I would always do. I believed it, as my teeth touched and my eyes were overrun.