Each level of the spirit has valuable gifts and strengths, as well as weaknesses. The goal is to develop the strengths and to achieve a balance between these levels, not forgoing the lower ones to focus only on the higher ones. In traditional psychology, Ego psychology deals with the animal soul, Behavioral psychology focuses on the conditioned functioning of the vegetable and animal soul, Cognitive psychology deals with the mental functions of the personal soul, Humanistic psychology deals with the activities of the human soul and Transpersonal psychology deals with ego-transcending consciousness of the secret soul and the secret of secret souls.