Egoist: Morally obligated to maximize your self interest.
Helping others when you receive no benefit is wrong, stupid, and irrational.
An example is Gyges' ring. This example was told to show that a morally just and unjust person would act the same when there is no fear of consequence.
Altruism: It's sometimes necessary to do things for others when it's not in your best interest.
Advantages for ethical egoism:
1) It maximizes social utility (advances the interests of society)
2) To be continued on Tues.