Understanding the origins of consciousness and human experience, the relation between phylogenetic development and the development of "soul"; these are two issues that could be addressed by means of phenomenological method, through which one might reach the founding elements concerning the creation of meaning of the world, of oneself and of alterity. Traditionally, it has been regarded that in order to understand the life of consciousness in its volitive, cognitive, aesthetic and practical aspects; one should approach adult life. The article aims to go beyond this mistake by considering that human life finds its foundations during the parallel development of organic and psychological phylogenies, which have as stage childhood: from embryo stage up to eight years.