Rationalisation penetrating into the spheres of social existence is detached from the human being, it determines his will and vision of future, it turns subjectivity into objectivity. However, it is a precondition of the humanization of everyday life that the critical approach throws light upon the power structuers behind this rationalization, the ideologies resulting from them and its laws. In this way the struggle between ideologies offers the possibility of reclaiming action and responsibility in the future.