On the Duties of the Clergy

Aurelius Ambrosius, better known in English as Saint Ambrose (c. 340 - 4 April 397), was an archbishop of Milan who became one of the most influential ecclesiastical figures of the 4th century. He was one of the four original doctors of the Church. He is patron saint of Milan. St. Ambrose, esteeming very highly the dignity of the ministerial office, was most desirous that the clergy of his diocese should live worthily of their high vocation, and be good and profitable examples to the people. Consequently he undertook the following treatise, setting forth the duties of the clergy, and taking as a model the treatise of Cicero, De Officiis.