ABSTRACT

His general proposition runs as follows: the psychic develop­ ment of children, while largely the result of natural growth, is mainly centred round ego formation. He has amplified this by showing us how to think of the unconscious as the origin of the conscious ego. These fundamental concepts have been put for­ ward beautifully by him in a classical passage:4

The greatest and most extensive development takes place during the period between birth and the end of psychic puberty, a period that may normally extend, for a man of our climate and race, to the twenty-fifth year. In the case of a woman it usually ends when she is about nineteen

1 Originally published in Studien zur Analytischen Psychologie C. G. Jungs, Zurich, 1955.