Strachey 4). Human nature in the state of nature is thus one thing, while human nature in civilization has been reshaped and produces a different form of alienation in the Freudian conception. As the individual develops during the life cycle, the ego, or the sense of self, changes from encompassing everything to detaching itself from the external world and thus including only the inner world of the self. Freud writes:
In this way one makes the first step towards the introduction of the reality principle which is to dominate future development. This differentiation, of course, serves the practical purpose of enabling one to defend oneself against sensations of unpleasure which one actually feels or with which one is threatened (Freud 15).
Freud has developed an extensive system of mental interactions and mental components that affect human behavior. The ego is the residence of the self, and the super-ego is the policeman of the self. That is, it serves as the source of the conscience. The s
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