sigmund freud was the first psychologist to state that humans have a subconscious mind and an unconscious mind, and he said dreams were the thoughts of these minds, prior to freud people believed humans had only a conscious mind, carl jung disagreed with freud and said that there is more to the individual than the id (identity), that the true identity of the individual is in the Self, or the collective unconscious which is commonly known as "God", and this is in opposition to the State, the idea of the Self is also found in hindu/buddhist texts, the goal of meditation is to connect an individual to the Self
the Self is in contrast to the self, the self is generated by id/ego/superego, the Self is a collective super conscious, the self can not analyze the Self since the Self is much larger than the self, humans choose to live in the self because the Self is unknown to them, freud said the subconscious/unconscious is the true identity of the self, jung said the Self is the true identity of the self, both freud and jung believed the State/superego was the reason for all mental illness in people since it required the individual to create and exist in the ego, which is unnatural, the ego lives in a state of fear since it is created in childhood as a fear response, and thus it's an incubator for anxiety, and eventually fear, ...