The author praises Gratian’s zeal for instruction in the Faith, and speaks lowly of his own merits. Taught of God Himself, the Emperor stands in no need of human instruction; yet this his devoutness prepares the way to victory. The task appointed to the author is difficult: in the accomplishment whereof he will be guided not so much by reason and argument as by authority, especially that of the Nicene Council.

Introduction to the Three Books of St. Ambrose on the Holy Spirit.The three books on the Holy Spirit are, as St. Ambrose says himself, a sequel to those on the Faith, and the two treatises together have been sometimes quoted as if one, with the title, De Trinitate. But we see from Gratian's letter to St. Ambrose, and from the reply, that each treatise is separate, and theDe Spiritu Sancto was written some years later, a.d. 381.

In "On the Duties of the Clergy" St. Ambrose gives a detailed and definitive instruction on how the early leaders of the Church should behave and how they should lead their flock. An important read for all of those called to become spiritual leaders. -- Amazon.com

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Up to now the teaching on baptism in the Holy Spirit has been based on a few scriptural texts, whose interpretation was disputed. This doubt cast its shadow on those who promote baptism in the Holy Spirit. Now new evidence has been found in early post-biblical authors (Tertullian, Hilary of Poitiers, Cyril of Jerusalem, John Chrysostom, Philoxenus, and the Syrians) which demonstrates that what is called baptism in the Holy Spirit was integral to Christian initiation (baptism, confirmation, Eucharist). Because it was part of initiation into the Church, it was not a matter of private piety, but of public worship. Therefore it was and remains normative. This is an intriguing ground-breaking study of value to RCIA teams, pastors, theology teachers and students, and Church offices.