“The creation of the mental domain of phantasy,” he wrote in A General Introduction to Psychoanalysis, published in 1916, “has a complete counterpart in the establishment of ‘reservations’ and ‘nature parks’ in places where the inroads of agriculture, traffic, or industry threatened to change the Earth rapidly into something unrecognizable.… The mental realm of phantasy is also such a reservation reclaimed from the encroaches of the reality principle.”
