St. Francis de Sales | HOLINESS FOR EVERY LIFE & THE LOVE OF GOD EXPLAINED

Descartes’ Meditations on First Philosophy | RADICAL DOUBT, THE SELF, AND THE PROOF OF GOD

Clement of Alexandria’s Exhortation to the Greeks Explained | CHRISTIANITY, PAGANISM & THE LOGOS

Hugh of Saint Victor’s Spiritual Writings | NOAH’S ARK, CONTEMPLATION, AND UNION WITH GOD

Madame Guyon and the Prayer of the Heart | A SHORT AND EASY METHOD OF PRAYER EXPLAINED

Francis Bacon’s Novum Organum | THE SCIENTIFIC METHOD, INDUCTIVE REASONING & THE IDOLS OF THE MIND

Bede’s Ecclesiastical History of England Explained | ANGLO-SAXON CHRISTIANITY & CHURCH HISTORY

Hugh of Saint Victor’s Didascalicon | WISDOM, EDUCATION, AND THE PURSUIT OF GOD

Richard of St. Victor on the Trinity | FAITH, REASON, AND MEDIEVAL TRINITARIAN THEOLOGY

Michel de Montaigne: The Art of Living | DEEP PHILOSOPHY & THE ESSAYS

Eusebius’s Church History Explained | EARLY CHRISTIANITY, APOSTOLIC SUCCESSION & THE DIVINE LOGOS

Part 18 of 18: Thomas Aquinas’s Summa Theologica | THE SUPPLEMENT TO PART III (QUESTIONS 1–99)

Part 17 of 18: Thomas Aquinas’s Summa Theologica | THE SACRAMENTS (QUESTIONS 60–69(90)

Boethius: Finding Happiness in Your Darkest Hour | THE CONSOLATION OF PHILOSOPHY

Nicholas of Cusa: The Vision of God | MYSTICAL THEOLOGY & LEARNED IGNORANCE

Part 16 of 18: Thomas Aquinas’s Summa Theologica | CHRISTOLOGY (QUESTIONS 1–59)

Walter Hilton: Treatise Written to a Devout Man | ACTIVE, CONTEMPLATIVE & MIXED CHRISTIAN LIFE

Plotinus and the Enneads | THE ORIGINS OF NEOPLATONISM & THE JOURNEY OF THE SOUL

Walter Hilton: The Song of Angels | HEAVENLY MUSIC, DIVINE LOVE & SPIRITUAL DISCERNMENT

Part 15 of 18: Thomas Aquinas’s Summa Theologica | STATES OF LIFE (QUESTIONS 171–189)

Walter Hilton: The Scale of Perfection | MEDIEVAL GUIDE TO CONTEMPLATIVE LIFE & SPIRITUAL GROWTH

Part 14 of 18: Thomas Aquinas’s Summa Theologica | CARDINAL VIRTUES (QUESTIONS 47–170)

The Diatessaron Explained | TATIAN THE SYRIAN’S GOSPEL HARMONY

Machiavelli’s The Prince | THE ULTIMATE GUIDE TO POWER AND REALPOLITIK

Tatian the Syrian’s Address to the Greeks | CHRISTIANITY VERSUS PAGAN PHILOSOPHY

Thomas More’s Utopia | THE RADICAL VISION OF AN IDEAL SOCIETY

Athenagoras of Athens’ The Resurrection of the Dead | BODY, JUSTICE, AND ETERNAL LIFE

Part 13 of 18: Thomas Aquinas’s Summa Theologica | THEOLOGICAL VIRTUES (QUESTIONS 1–46)

The Book of Margery Kempe | A MYSTICAL LIFE OF VISION, PILGRIMAGE & DIVINE LOVE

Seneca on the Art of Gratitude (On Benefits) | THE STOIC PSYCHOLOGY OF GIVING

Athenagoras of Athens’ A Plea for the Christians | FAITH, REASON, AND JUSTICE IN THE ROMAN WORLD

Part 12 of 18: Thomas Aquinas’s Summa Theologica | GRACE (QUESTIONS 109–114)

Jacob Boehme: The Mystical Way to Christ | TRUE REPENTANCE, REGENERATION & UNION WITH GOD

Seneca’s Secret to Happiness | VIRTUE, WEALTH, AND THE STOIC MINDSET

Theophilus of Antioch’s to Autolycus | CREATION, SCRIPTURE, AND THE EARLY DOCTRINE OF THE TRINITY

Seneca | STOIC LESSONS ON POWER, ANXIETY, AND THE ART OF LIVING

Julian of Norwich: Revelations of Divine Love | MYSTICAL VISIONS OF CHRIST’S COMPASSION

Marcus Aurelius | THE PRIVATE THOUGHTS OF THE WORLD'S MOST POWERFUL MAN

Irenaeus of Lyons’ Apostolic Preaching | THE RULE OF FAITH AND GOD’S SAVING PLAN

Part 11 of 18: Thomas Aquinas’s Summa Theologica | LAW (QUESTIONS 90–108)

Catherine of Siena: The Dialogue | MYSTICAL CONVERSATION WITH GOD & THE BRIDGE TO DIVINE LOVE

Epictetus' Enchiridion | THE STOIC MANUAL FOR MENTAL FREEDOM

Irenaeus of Lyons’ Against Heresies | DEFENDING CHRISTIAN TRUTH AGAINST GNOSTICISM

Part 10 of 18: Thomas Aquinas’s Summa Theologica | HABITS AND VIRTUES (QUESTIONS 49–70 (89)

John Ruysbroeck: Adornment of the Spiritual Marriage | MYSTICAL UNION WITH GOD & THE SOUL’S JOURNEY

Part 9 of 18: Thomas Aquinas’s Summa Theologica | PASSIONS (QUESTIONS 22–48)

Justin Martyr’s Dialogue with Trypho | CHRIST, THE LAW, AND THE FULFILLMENT OF SCRIPTURE

The Lost Founders of Stoicism | ZENO, CLEANTHES, AND THE FIRE OF REASON

Meister Eckhart: Sermons | RADICAL MYSTICISM & UNION WITH GOD

Part 8 of 18: Thomas Aquinas’s Summa Theologica | HUMAN ACTS (QUESTIONS 6–21)

Justin Martyr’s Second Apology | DEFENDING CHRISTIANITY UNDER ROMAN PERSECUTION

Epicurus: The Science of Happiness | ATOMS, ANXIETY, AND THE ART OF PEACE

Meister Eckhart & Other German Mystics: Light, Life, and Love | PATH TO DIVINE UNION

Part 7 of 18: Thomas Aquinas’s Summa Theologica | HUMAN HAPPINESS (QUESTIONS 1–5)

Justin Martyr and the First Apology | EARLY CHRISTIAN DEFENSE OF CHRIST AND THE LAW

Part 6 of 18: Thomas Aquinas’s Summa Theologica | DIVINE GOVERNANCE (QUESTIONS 103–119)

The Life and Mystical Journey of St. Teresa of Avila | PRAYER, VISIONS & CARMELITE REFORM

Part 5 of 18: Thomas Aquinas’s Summa Theologica | COSMOLOGY AND HUMAN NATURE (QUESTIONS 65–102)

St. Teresa of Avila’s the Interior Castle Explained | ON THE SOUL’S JOURNEY TO UNION WITH GOD

Aristotle’s On the Soul Explained | THE NATURE OF THE PSYCHE, PERCEPTION & THOUGHT