Though Saint John Cassian lived and wrote centuries ago (c. 360-435), his spiritual writings continue to be important to contemporary church life and personal s

A study of how Christians understood the Holy Spirit in the 5th and 6th centuries. Humphries argues that we can see various schools of thought within Christiani

This book is a study of the life, monastic writings, and spiritual theology of John Cassian (c., 360-435). His Institutes and Conferences are a remarkable synth

THE obligation, which was promised to the blessed Pope Castor in the preface to those volumes which with God's help I composed in twelve books on the Institutes

In the early twentieth century, Blessed Columba Marmion's dogmatically-grounded spiritual theology, expressed in artful prose, set the Catholic world on fire. A