““Different objects present themselves to consciousness as constituents of different spheres of reality. I recognize the fellowmen I must deal with in the course of everyday life as pertaining to a reality quite different from the disembodied figures that appear in my dreams. The two sets of objects introduce quite different tensions into my consciousness and I am attentive to them in quite different ways. My consciousness, then, is capable of moving through different spheres of reality. Put differently, I am conscious of the world as consisting of multiple realities. As I move from one reality to another, I experience the transition as a kind of shock. This shock is to be understood as caused by the shift in attentiveness that the transition entails. Waking up from a dream illustrates this shift most simply. Among the multiple realities there is one that presents itself as the reality par excellence. This is the reality of everyday life. Its privileged position entitles it to the designation of paramount reality. The tension of consciousness is highest in everyday life, that is, the latter imposes itself upon consciousness in the most massive, urgent and intense manner. It is impossible to ignore, difficult even to weaken in its imperative presence. Consequently, it forces me to be attentive to it in the fullest way. I experience everyday life in the state of being wide-awake. This wide-awake state of existing in and apprehending the reality of everyday life is taken by me to be normal and self-evident, that is, it constitutes my natural attitude. I””