Historical Development of Self-Concept TheoryThe development of self-idea or self-concept dates back to the times of classical philosophy, as traced Hattie (1992). The sense of self was linked by Greek philosophers such as Plato and Aristotle to identity, individuality and self-knowledge (). Additionally, Renaissance philosophers promoted the sense of "self" and "self-knowledge" as the basis of existence through their debates. Hume (1711–1776) turned away from the intellectual mainstream and rejected the idea of ​​a distinct and stable self-concept, and instead emphasized the fluidity of "self-knowledge" and the primacy of experience as the source of a constantly evolving vision. perception of reality. Psychological aspects of the self, including references to identity, style and self-knowledge, were addressed by James in 1890. He divided the self into three parts: its "constituents", the feelings and the emotions they arouse and the actions they provoke. (James, p. 292). According to James, the self and self-concept were fundamental constructs in the person and he described the “self as knower.” This implied that the “me” was known and called it “I”. In contrast, the sense of self related to experience and environment was called “SELF,” and the sense of self was related to the process that generated both “I” and “ME.” Additionally, the objective self or “ME” included four levels or components organized in a hierarchical structure. These were the “corporeal self,” the “social self,” the “material self,” and the “spiritual self.” By “spiritual self,” James meant thinking and feeling, that is, what we seem most truly to be. "We feel purest personal satisfaction when we think about our ability to argue and discriminate, or our middle of paper... Personality and other areas of mental health have also used experimental approaches to find the relationship between self-esteem and poor mental health associated with poor self-esteem The Self of Carl Jung In his earlier writings, Jung considered the self to be equivalent to the psyche or total personality However, when he. began to explore the racial foundations of personality and discovered the self archetypes, he found one that represented the human striving for unity (Wilhelm & Jung, 1931). around which all other systems are constellated. It holds these systems together and provides the personality with unity and balance and stability. unconscious, and if we now add to our mental image the process of assimilation of the unconscious.