The Spiritual Exercises of St. IgnatiusBy: Saint Ignatius A classic Christian text from the founder of the Jesuit Order. The Spiritual Exercises of St. Ignatius of Loyola is the core work of religious formation for members of the Society of Jesus, the single largest religious order within the Roman Catholic Church. For four and a half centuries in many thousands of editions in all languages, The Exercises have embodied fundamental spiritual principles essential to authentic Christian