... is the conception of infinite personalities that later become more or less merged into one supreme being. This begins with the idea of the soul as the human ego, conventionally regarded as something independent of the material body during life and immortal after death. The savage goes to sleep, and in his dreams he goes upon journeys and battles strenuously with other men and with beasts, only to find when he awakes that his body is not fatigued, and that it has not really taken part in the ... — The Doctrine of Evolution - Its Basis and Its Scope • Henry Edward Crampton