Theology, physics, and mental science were not as yet distinguished.
It is only with the rise of dialectic and the growing recognition of the problem of knowledge that a genuinely psychological theory became possible.
(Greek psyche ; Latin anima ; French ame ; German Seele ).
The question of the reality of the soul and its distinction from the body is among the most important problems of philosophy, for with it is bound up the doctrine of a future life.
Often, as among the Fijians, it is represented as a miniature replica of the body, so small as to be invisible.