The article provides an in-depth analysis of the concept of rationality as a key element in the relationship between faith and science, drawing on the thought of Benedict XVI. The author emphasizes that rationality is not solely the domain of science but serves as a space where dialogue between different ways of knowing – scientific and theological – becomes possible. Benedict XVI highlights that faith and reason are not contradictory but rather complement each other, forming a harmonious whole in the pursuit of truth. The article also delves into the historical roots of this concept, referencing philosophical and theological traditions that stress the unity of truth and the complementarity of various paths to its discovery. Particular attention is given to contemporary challenges, such as increasing secularization and scientific reductionism, which often lead to a false dichotomy between faith and science. The author argues that Benedict XVI’s perspective offers a significant contribution to building bridges between these fields, demonstrating that rationality encompasses both empirical and metaphysical dimensions, enabling a fuller understanding of reality
