"How is a human world even possible?" This is the fundamental question, framed as a reminiscence of Kant, that Thomas Rentsch poses in his foundational study for contemporary practical philosophy. The answer to this question leads to a comprehensive analysis oriented towards the individual phenomena of human life regarding the practical fundamental situation of humanity. The analysis aims to demonstrate that philosophical anthropology and moral philosophy cannot be developed independently of each other, but must be mutually related. In essence, the most important philosophical currents of our century—linguistic analytical philosophy, phenomenology, and critical theory—are incorporated into this investigation. In the "Critical Prolegomena" of the first chapter, Rentsch engages with various...