Final answer:
Saint Augustine's autobiography is titled 'Confessions,' which is a significant work in Christian philosophy detailing his life, conversion, and thoughts on faith and divine grace.
Step-by-step explanation:
Saint Augustine's autobiography is called Confessions. In this deeply introspective work, he details his thoughts on faith, sin, and salvation, providing a unique window into his life and conversion to Christianity. Though he wrote several influential works, Confessions stands out for its personal tone and insight into Augustinian thought. Two of his other notable works include The City of God, which he penned following the sack of Rome by the Visigoths, and various writings combating heresies of his time, such as the Donatist and Pelagian heresies.
Augustine's Confessions is a seminal work in Christian philosophy and theology, reflecting Augustine's musings on his own human experiences and his philosophical and theological interpretations of those experiences. It offers a perspective on the human condition and the search for divine grace and wisdom.