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. The writer says that his object is to impress upon those whom he has ordained the lessons which
Page xxiii