According to the Principles of St. Thomas Aquinas
By Father Denis Fahey
Mental Prayer is the most important exercise of the Spiritual Life, and Fidelity to it will ensure salvation; its complete abandonment may lead to perdition. The teachings of St. Thomas include the Parallelism Between Our Natural and Supernatural Organisms, Kinds of Prayer, Method of Theological Prayer. Also, the Mystical Prayer of the Holy Ghost.
Softcover, 89 pages, Imprimi potest.
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