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Interpretation in terms of the parents is, however, simply a façon de parler. In reality the whole drama takes place in the individual’s own psyche, where the “parents” are not the parents at all but only their imagos: they are representations which have arisen from the conjunction of parental peculiarities with the individual disposition of the child.39 The imagos are activated and varied in every possible manner by an energy which likewise pertains to the individual; it derives from the sphere of instinct and expresses itself as instinctuality. This dynamism is represented in dreams by theriomorphic symbols. All the lions, bulls, dogs, and snakes that populate our dreams represent an undifferentiated and as yet untamed libido, which at the same time forms part of the human personality and can therefore fittingly be described as the anthropoid psyche. Like energy, the libido never manifests itself as such, but only in the form of a “force,” that is to say, in the form of something in a definite energic state, be it moving bodies, chemical or electrical tension, etc. Libido is therefore tied to definite forms or states. It appears as the intensity of impulses, affects, activities, and so on. But these phenomena are never impersonal; they manifest themselves like parts of the personality. The same is true of complexes: they too behave like parts of the personality.
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C.G. Jung (Collected Works of C. G. Jung, Volume 5: Symbols of Transformation (The Collected Works of C. G. Jung))