Discuss the Topic of Egoism and Altruism

Create an argument on ethical egoism. Glaucon, one of Socrates’ interlocutors in The Republic, expresses a widely and deeply-held ethical point of view known as ethical egoism. Egoistic theories are founded on the belief that everyone acts only from the motive of self-interest. Do you think psychological egoism is true or do we sometimes act altruistically? What implications does this have for ethics? For instance, if psychological egoism is true, then does this imply ethical egoism?