I think people are naturally...I dont know if "evil" is the proper term...but selfish maybe.
I think the people who live good lives and do selfless things, a Mother Theresa for instance, are people who overcome the inherent wickedness that brews inside us.
I dont think God or Satan has anything to do with it, since I dont read fairy tales, but I just get the feeling that left alone to our own devices...if a major disaster happened altering our societal norms and making things like courts and police officers void...our society would be raping, murdering cannibals in a week. It seems like every time theres a disaster, or a basketball championship in Chicago, people start tearing their cities apart for no reason. We really just need a spark telling us its okay to act like animals.
Am I good or evil?? I like to think Im good...but id darn sure grab a flat screen tv!