"It is a quite unpardonable mistake to accept the conclusions of a Jewish psychology as generally valid.
Nobody would dream of taking Chinese or Indian psychology as binding upon ourselves ... No doubt, on an earlier and deeper level of psychic development, where it is still impossible to distinguish between an Aryan, Semitic, Hamitic or Mongolian mentality, all human races have a common collective psyche.
But with the beginning of racial differentiation essential differences are developed in the collective psyche as well. For this reason we cannot transplant the spirit of a foreign race in globo into our own mentality without sensible injury to the latter."
~ Carl Jung