This is the reason why many people mistake Aquarius for a water sign, but it is in actual fact an intellectual air sign and not a water sign. Zodiac signs all have their different signs and meanings, so it is up to you to determine the meaning.
Key Concepts of Adlerian Theory and Therapy Add Remove The main concepts of Adler's theory are social interest, holism, lifestyle, goals or directionality and equality. Individual psychology is the name of the school of personality theory and psychotherapy developed by Alfred Adler (1870-1937), a Viennese general practice physician turned psychiatrist.
Sigmund Freud of Vienna, who is considered as the father of modern psychology, originated a new method called the Free Association Technique. Freud considered that mind has three parts  the conscious, the pre-conscious and the unconscious. He considered that 90% of the mind is the unconscious mind.