Personality is a trait that everyone possesses. What are the people’s thoughts, how do they feel, and how do people behave and what causes people to contain these predisposition are questions asked by personality theory and their research. Social Psychology and Developmental Psychology have united to form as a subject matter in Psychology, and personality has not yet found the unity. In this paper we will analyzes the strengths and limitation, compare and contrast, and explains the underlying assumptions of the theories of psychologist Carl Jung and Sigmund Freud. The paper suggested that the force in these underlying assumptions exist in their clearness that allows common people to understand these difficult concepts. The paper also discusses the disagreement with deterministic versus free will, even though Jung and Freud were biased toward determinism, which means that the environment or genetics predetermines individuals behavior and life. Carl Jung broke away from Freud and developed his own theory known as the Analytical Psychology, which resided on the assumption that the supernatural phenomena that will influence everyone’s lives. Jung believed, “that each of us is motivated not only be repressed experiences but also by certain emotionally toned experiences inherited from our ancestors” (Feist, & Feist, (2009). Jung also believed that the inherited images that he called the collective unconscious which involved aspect that people have never gone through individually but that has passed down from our ancestors. When one can reach and understand self-realization, he, or she has reached one of the most exclusive archetype. Archetypes are elements of the collective unconscious that has been highly developed. The only way one can reach self-realization is by conquering the balance between different types of conflicting forces of personality. Jung’s theory is a list