Ambrose of Milan ( la, Aurelius Ambrosius; ), venerated as Saint Ambrose, ; lmo, Sant Ambroeus . was a theologian and statesman who served as
Bishop of Milan
The Archdiocese of Milan ( it, Arcidiocesi di Milano; la, Archidioecesis Mediolanensis) is a Latin Church ecclesiastical territory or archdiocese of the Catholic Church in Italy which covers the areas of Milan, Monza, Lecco and Varese. It has lon ...
from 374 to 397. He expressed himself prominently as a public figure, fiercely promoting the Christian faith against
Arianism
Arianism ( grc-x-koine, Ἀρειανισμός, ) is a Christological doctrine first attributed to Arius (), a Christian presbyter from Alexandria, Egypt. Arian theology holds that Jesus Christ is the Son of God, who was begotten by God ...
and
paganism
Paganism (from classical Latin ''pāgānus'' "rural", "rustic", later "civilian") is a term first used in the fourth century by early Christianity, early Christians for people in the Roman Empire who practiced polytheism, or ethnic religions ot ...
. He left a substantial collection of writings, of which the best known include the ethical commentary ''De officiis ministrorum'' (377–391), and the
exegetical (386–390). His preachings, his actions and his literary works, in addition to his innovative musical hymnography, made him one of the most influential