I divide people into two major categories: Free mind peoples and Ideologists. For a free mind man, each choice is a possibility. There is no default for him in good and bad, and right and wrong. An ideologist is someone who has detailed defaults in right and wrong and preformed boundaries to clarify good and bad. There is no possibility for him/her to have a conscious and free choice. In front of the opposite mind, an ideologist disarms soon and there would be nothing for him except violence.
No doubt, you may not find selfishness in the atmosphere of a free mind. In this way I categorize selfishness among ideologists. This seems not far from truth. Ideology of a selfish is himself. You can disarm him, choosing an opposition stand and force him to come into violence. This never means he is good or bad because you are looking at him from a free point of view.