of the neurosis, and the tendencies underlying normal human mechanisms, when Dr. Carl Jung, the most prominent of Freud’s disciples, and the leader of the Zurich school, found himself no longer able to agree with Freud’s findings in certain particulars, although the phenomena which Freud observed and the technique of psychoanalysis developed by Freud were the material on which Jung worked and the value of which he clearly emphasizes. The differences which have developed lay in his understanding and interpretation of the phenomena observed.
Beginning with the conception of libido itself as a term used to connote sexual hunger and craving, albeit the meaning of the word sexual was extended by Freud to embrace a much wider significance than common usage has assigned it, Jung was unable to confine himself to this limitation. He conceived this longing, this urge or push of life as something extending beyond sexuality even in its wider sense. He saw in the term libido a concept of unknown nature, comparable to Bergson’s élan vital, a hypothetical energy of life, which occupies itself not only in sexuality but in various physiological and psychological manifestations such as growth, development, hunger, and all the human activities and interests. This cosmic energy or urge manifested in the human being he calls libido and compares it with the energy of physics. Although recognizing, in common with Freud as well as with many others, the primal instinct of reproduction as the basis of many functions and present-day activities of mankind no longer sexual in character he repudiates the
