Man is an “I am” not as a detached ego but as being-in-the-world, with emphasis on the dynamic, process character of being and on the fact that this being is necessarily in relation to a world. The world with which every subject is polarized is threefold: the Umwelt of our biological and physical foundations, the Mitwelt of social relations, and the Eigenwelt of one’s own inner life and self-consciousness