Its more than a simple belief that there is good and that it should fight the evil in the world. It's a personification of Light and Darkness at their most elemental level, as forces that are so absorbed with themselves that one cannot exist without the other though they constantly try to consume one another. One of the earliest repersentations of Light and Darkness was of Light being a massive black bull and Darkness being an enormous white bull.
P. C. CastEyes watching always Shadows in shadows they wait A black feather falls First accepted, loved Then betrayed-spit in the face Vengeance sweet like dots.
P. C. CastBat, pigeon, ravens - I don't care about distinctions right now. Any fluttery, flappy thing is not cool with me.
P. C. CastI'm not stupid, stupid. Leave this whole thing in my extremely capable and well-manicured hands. I'll call you later with an update. Bye!
P. C. CastSometimes the people closest to you betray you, and your home isn't a place you can be happy anymore.
P. C. Cast