"Confessions" is an autobiographical work by a renowned theologian, in which he outlines his sinful youth and his conversion to Christianity. It is written in the form of a long, introspective prayer directed to God, exploring the author's spiritual journey and deep philosophical ponderings. The book is renowned for its eloquent and deeply personal exploration of faith, making it a cornerstone of Christian theology and Western literature.

The book is a philosophical and theological masterpiece, written as a defense of Christianity after the sack of Rome in 410 AD. The author contrasts the earthly city, characterized by pride and love of self to the point of contempt for God, with the heavenly city, characterized by love of God to the point of contempt for self. He argues that though the earthly city may seem dominant in the present age, the heavenly city will ultimately triumph. The book is a profound exploration of history, philosophy, religion, and the human condition.