" Indeed, as important as the prospect of physical bodily changes, he saw the immigrant psyche changing as it gradually adopted the psychology of the aboriginal peoples. Despite the best efforts of American whites, fragments of an American Indian soul were constantly appearing in their dreams and fantasies. “The American presents a strange picture,” Jung said, “a European with Negro behavior and an Indian soul. He shares the fate of all usurpers of foreign soil.”18 "

― Vine Deloria Jr. , C.G. Jung and the Sioux Traditions: Dreams, Visions, Nature and the Primitive