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Mary & the Saints

Who was St. Augustine?

St. Augustine was a converted sinner, bishop, and Doctor of the Church whose writings profoundly shaped Catholic teaching on grace, sin, and love.

St. Augustine was a fourth-century convert, bishop, theologian, and Doctor of the Church. His life shows the power of grace to transform a restless sinner into a great saint and teacher.

His early life. Augustine was born in 354 in Thagaste, in Roman North Africa. His mother, St. Monica, was a devout Christian who prayed for his conversion for many years. As a young man, Augustine pursued status, intellectual achievement, sexual pleasure, and false religion. He lived with a woman for years and fathered a son, Adeodatus. He also followed Manichaeism, which promised answers about good and evil but eventually disappointed him. His search was sincere at times, yet mixed with pride and resistance to God's moral demands.

His conversion. Augustine moved to Milan as a teacher of rhetoric and began listening to the preaching of St. Ambrose. He came to see that the Catholic faith was intellectually serious, but he still struggled to surrender his life. In 386, while weeping in a garden, he heard a child's voice saying, "Take and read." He opened St. Paul's letters and read Romans 13:13-14, a call to abandon sensuality and put on Christ. Augustine was baptized by Ambrose at the Easter Vigil in 387, along with Adeodatus.

Bishop and teacher. After returning to North Africa, Augustine became a priest and then bishop of Hippo. He preached, cared for his people, defended the faith, and wrote extensively until his death in 430. His major works include the Confessions, The City of God, and On the Trinity. He defended the goodness of creation, the necessity of grace, the reality of original sin, the authority of the Church, and the sacraments. The Church teaches that original sin wounds human nature and leaves us needing redemption in Christ (CCC 396-409). Grace is God's free gift, which heals and elevates us rather than rewarding unaided human effort (CCC 1996-2001).

Why he still matters. Augustine understood both the human heart's hunger and its power to deceive itself. He refused despair over the past and presumption about the future. His life shows that grave sin does not place someone beyond God's mercy when there is repentance. It also shows that conversion demands truth, chastity, humility, prayer, and perseverance. Augustine became holy by receiving grace and cooperating with it.

If your past weighs on you, read the opening books of the Confessions, make an honest examination of conscience, and return to confession. Ask St. Augustine and St. Monica to pray for your conversion and for anyone whose return to God seems impossible.

Where to read more
  • Rom 13:13-14
  • CCC 396-409
  • CCC 1996-2001
  • St. Augustine, Confessions
  • St. Augustine, The City of God
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