Saint Ambrose was bishop of Milan, a defender of Nicene faith, a master of sacramental catechesis, a hymn writer, and one of the four great Latin Doctors. His preaching played a decisive role in Saint Augustine’s return to Catholic faith. Ambrose joined Roman administrative ability to episcopal courage and a deeply typological reading of Scripture.
Born into a Christian Roman family, Ambrose was educated for public service and became governor in northern Italy. In 374 he went to the church at Milan to keep order during a disputed episcopal election. Though still a catechumen, he was acclaimed bishop by the people. After baptism and rapid reception of the required orders, he was consecrated bishop. He then devoted himself intensely to theological study under the guidance of learned clergy.
Ambrose defended the Church’s Nicene confession against Arian influence at the imperial court. He also insisted that emperors stood within, not above, the moral law of the Church. His dealings with Emperor Theodosius after the massacre at Thessalonica became a lasting example of episcopal responsibility, though popular retellings sometimes oversimplify the sequence and ceremonial details.
Writings and Scripture
Ambrose wrote on virginity, clerical ethics, creation, patriarchs, the Psalms, Luke, and the sacraments. His catechetical works explain baptism, anointing, and the Eucharist through Old Testament types such as the crossing of the Red Sea, the healing waters, manna, and Melchizedek. He drew extensively from Greek Christian writers and helped transmit Eastern theology and exegesis into Latin Christianity.
Ambrose’s interpretation is strongly Christological and ecclesial. Biblical persons and events possess historical reality while also prefiguring Christ, the sacraments, the Church, and the moral life. His hymns helped place orthodox doctrine on the lips of the faithful and contributed to the development of Latin hymnody.
Sainthood and legacy
Ambrose died in 397. His cult is ancient, and the Church honors him as a saint and Doctor on December 7, the traditional date of his episcopal ordination. He is remembered as a bishop who combined doctrinal fidelity, liturgical creativity, care for the poor, and moral independence from political power.
Major Works
On the Mysteries, On the Sacraments, On Duties, Hexaemeron, Exposition of Luke, hymns