The attempt to build philosophy beyond metaphysics and the theory of cognition was dubbed by Paul Hofmann 'philosophy as the investigation of sense' (Sinnerforschung). The merit of Paul Hofmann's philosophical project - presented here only in its basic features - lies in overcoming a mental stereotype according to which 'sense' belongs to a group of indefinable basic concepts. Deep formal analyses of sense as such do not focus on the sense of objectivity alone, but also strive to grasp the sense of the subject as someone who is capable of an objective (objectifying) reflection on himself. Hofmann's studies on the sense of objectivity and subjectivity can enrich our existential understanding of the sense of life with new forms of the consciousness of sense. This is because a clarification of the coherence of the objective content of the concept of sense facilitates the development of subjective forms of experience-relevant consciousness of sense. However, a basic drawback of Hofmann's philosophy consists in the fact that a formal (a priori) definition of sense, even if it is a penetrating and accurate one, cannot replace what is currently experienced as senseful. The concept of the sense of life will never itself be the sense of life, but just its mental representation and a cognitive-volitive experience.