The philosophy of Augustine of Hippo is inseparable from his Christian faith, which shaped not only the content of his thought but also its method and purpose. Living in a period of transition from classical antiquity to the medieval world, Augustine integrated elements of Greek philosophy, particularly Platonism, into a distinctly Christian framework. His faith did not merely coexist with his philosophy; rather, it provided the foundation upon which his entire intellectual system was constructed. One of the most significant ways in which Augustine’s faith influenced his philosophy is seen in his conception of the relationship between faith and reason. He rejected the idea that reason alone could attain ultimate truth. Instead, he famously maintained that belief precedes understanding: one must first have faith in order to truly comprehend divine realities. This position does not undermine reason; rather, it assigns reason a subordinate but essential role. Faith illuminates the mind, enabling reason to function properly. Thus, knowledge of God and the highest truths is possible only when the intellect is guided by divine revelation. Augustine’s epistemology reflects his theological commitments. He developed the doctrine of divine illumination, according to which human beings can know eternal truths because God enlightens the human mind. Just as physical light allows the eye to see material objects, divine light enables the mind to grasp immaterial and eternal realities.