This volume by Simone Maria Grossi examines the concept of justice through a systematic philosophical and legal inquiry. Positioned within philosophy and legal theory, the work analyzes normative criteria that ground judgments of rightness and fairness in contemporary societies. The author engages with classical and modern traditions, clarifying distinctions between moral intuition, juridical reasoning, and institutional legitimacy. Structured in thematic chapters, the book offers conceptual analysis and critical discussion, contributing to debates on ethical evaluation and the foundations of normative order.