The child motif represents not only something that existed in the distant past but also something that exists now; that is to say, it is not just a vestige but a system functioning in the present whose purpose is to compensate or correct, in a meaningful manner, the inevitable one-sidednesses and extravagances of the conscious mind. It is in the nature of the conscious mind to concentrate on relatively few contents and to raise them to the highest pitch of clarity. A necessary result and precondition is the exclusion of other potential contents of consciousness. The exclusion is bound to bring about a certain one-sidedness of the conscious contents. Since the differentiated consciousness of civilized man has been granted an effective instrument for the practical realization of its contents through the dynamics of his will, there is all the more danger, the more he trains his will, of his getting lost in one-sidedness and deviating further and further from the laws and roots of his being. This means, on the one hand, the possibility of human freedom, but on the other it is a source of endless transgressions against one's instincts. Accordingly, primitive man, being closer to his instincts, like the animal, is characterized by fear of novelty and adherence to tradition. To our way of thinking he is painfully backward, whereas we exalt progress. But our progressiveness, though it may result in a great many delightful wish-fulfilments, piles up an equally gigantic Promethean debt which has to be paid off from time to time in the form of hideous catastrophes. For ages man has dreamed of flying, and all we have got for it is saturation bombing! We smile today at the Christian hope of a life beyond the grave, and yet we often fall into chiliasms a hundred times more ridiculous than the notion of a happy Hereafter. Our differentiated consciousness is in continual danger of being uprooted; hence it needs compensation through the still existing state of childhood.
— Carl Gustav Jung
Jung is describing something more uncomfortable than a psychological mechanism. The compensatory child, the archetype running beneath conscious elaboration, is not a resource to develop or a depth to access — it is the soul's counter-pressure against exactly the operations that feel most like progress. Consciousness differentiates, specializes, raises its chosen contents to high definition, and in doing so enforces an exclusion. What gets excluded is not lost but compressed, retained in an older grammar, and it pushes back.
The Promethean image is the passage's sharpest edge. Flight, which humanity dreamed for millennia as ascent, arrives as saturation bombing. The wish-fulfilment and the catastrophe are not opposed — they are the same movement, the differentiated will following its own logic to its limit. Jung's wry aside about chiliasm stings because it lands: we abandoned one eschatology and inherited a dozen cruder ones dressed as science, economics, progress, personal transformation. The direction of travel was not away from magical thinking but into it, with better engineering.
What the child motif actually corrects is not regression or sentimentality — it is the will's illusion that its chosen trajectory has no underside. The still-existing state of childhood is not innocence; it is contact with the roots that the trained will, by definition, cannot reach through further training. The debt accumulates precisely because the instrument works.
Carl Gustav Jung·The Archetypes and the Collective Unconscious·1959