InPrincipio Podcast

A reading and meditation on the Office of the Dead, from the liturgy of All Souls’ Day, November 2, from Dom Guéranger’s The Liturgical Year. The Office of the Dead, prayed on All Souls’ Day and at other times of remembrance for the faithful departed, is a solemn part of the Church’s liturgy that intercedes for souls undergoing purification in Purgatory. Composed of Matins (the Office of Readings)...

A reading and meditation on the Mass of the Dead for All Souls’ Day, November 2, from Dom Guéranger’s The Liturgical YearThe Mass of the Dead, offered on All Souls’ Day, is a solemn Requiem Mass dedicated to the commemoration and intercession for all the faithful departed. Stripped of the Gloria and Creed to reflect its penitential character, it centers on the mercy of God and the hope of resurrec...

A meditation on the Twenty-First Sunday after Pentecost, from Dom Guéranger’s The Liturgical Year. The Twenty-First Sunday after Pentecost in the traditional Roman liturgy centers on trust in God’s providence, the call to spiritual vigilance, and the duty of mercy toward others. The Introit and Collect express confidence in God’s sovereign will and protection, reminding the faithful that their ref...

A meditation on the Feast of All Saints, from Dom Guéranger’s The Liturgical YearThe Feast of All Saints, celebrated on November 1, honors all the saints—known and unknown—who have attained the vision of God in heaven. Established to commemorate the countless holy men and women who may not have individual feast days, it reflects the Church’s belief in the “Communion of Saints,” uniting the faithfu...

A meditation on the Vigil of of All Saints, from Dom Guéranger’s The Liturgical YearAll Hallows’ Eve, observed on October 31, is the vigil of the solemnity of All Saints and marks the close of the liturgical year’s month of October. In Christian tradition, it is a time of preparation and prayer, honoring the approach of the great feast that celebrates all the saints in heaven. The evening, whose n...

A meditation on the Feast of the Holy Apostles Simon and Jude, from Dom Guéranger’s The Liturgical Year. The Feast of Saints Simon and Jude, Apostles, celebrated on October 28, commemorates two devoted followers of Christ who labored together in the early spread of the Christian faith. Saint Simon, known as the Zealot, and Saint Jude, also called Thaddeus and regarded as the author of the Epistle...

A meditation on the Feast of Christ the King, from Dom Guéranger’s The Liturgical YearThe Feast of Christ the King, instituted by Pope Pius XI in 1925 through the encyclical Quas Primas, was established to reaffirm and proclaim the universal sovereignty of Jesus Christ over all creation—rulers and nations, societies and individuals. Conceived in a time of growing secularism, materialism, and polit...

A meditation on the Feast of Saints Chrysanthus and Daria, martyrs, from Dom Guéranger’s The Liturgical YearDom Prosper Guéranger's The Liturgical Year, a monumental fifteen-volume work, offers a comprehensive exploration of the Catholic Church’s liturgical calendar, guiding readers through the spiritual and historical richness of the Church’s worship. Written in the 19th century, the series p...

Chapter 2 of Explanation of the Holy Sacrifice of the Mass, titled “The Excellence of Holy Mass,” is a sweeping meditation on the supreme dignity and mystery of the Mass, described as an act so sublime that even the highest angels cannot fully praise it. Father Martin von Cochem shows its preeminence through vivid examples: the solemn consecration of churches and altars, the careful ordination of...

'Explanation of the Holy Sacrifice of the Mass' (1896) by Fr. Martin von Cochem is a classic 17th-century Catholic devotional work that passionately and engagingly explains the immense spiritual value, mystery, and supernatural power of the Holy Sacrifice of the Mass. Drawing on Scripture, the Church Fathers, and mystical theology, Cochem portrays the Mass as a re-presentation of Christ’s...

A meditation on the Feast Day (October 24th) of the great Archangel Raphael, from Dom Guéranger’s The Liturgical YearSaint Raphael the Archangel, whose name means “God heals,” is one of the seven holy archangels who stand before the throne of God, known for his mission of mercy, healing, and divine guidance. His story is found in the Book of Tobit (Tobias), where he appears in human form under the...

A meditation on the life of Saint Hilarion, fourth century Abbot of Palestine, from Dom Guéranger’s The Liturgical YearSaint Hilarion the Abbot, born around 291 near Gaza in Palestine to pagan parents, converted to Christianity while studying in Alexandria, where he became renowned for his piety and intellect. Deeply moved by the example of Saint Anthony of Egypt, he visited the great hermit and s...

A meditation on Saint John Cantius (October 20), from Dom Guéranger’s The Liturgical YearSaint John Cantius (1390–1473) was a Polish priest, theologian, and professor at the University of Kraków, renowned for his deep learning, humility, and charity. Born in Kęty, he excelled in philosophy and theology, earning a doctorate and later teaching the sciences and sacred doctrine with brilliance and int...

A meditation on the Nineteenth Sunday after Pentecost, from Dom Guéranger’s The Liturgical YearThe Nineteenth Sunday after Pentecost centers on the Parable of the Wedding Feast (Matthew 22:1–14), in which Christ likens the Kingdom of Heaven to a king who invites guests to his son’s wedding banquet. When the invited guests refuse, insult, and kill the king’s servants, the king punishes them and ope...

A meditation on St. Peter of Alcantara (October 18), from Dom Guéranger’s The Liturgical YearSaint Peter of Alcántara (1499–1562) was a Spanish Franciscan friar renowned for his austere asceticism, deep mystical prayer, and reforming zeal. Born in Alcántara, Spain, he entered the Franciscan order at a young age and became known for his rigorous penitential practices, extreme simplicity, and devoti...

In Chapter VIII, “The Architecture of the Century,” of The Century of Columbus, James Joseph Walsh surveys how Renaissance architecture, inspired by the re-discovery of classical antiquity, transformed Europe during the time of Columbus. He tracks the era’s key architects—Brunelleschi, Alberti, Bramante, Michelangelo, Palladio, Vignola—and how their works embodied the revival of Greco-Roman forms,...

Saint Luke the Evangelist, a physician by profession and companion of Saint Paul, was the author of the third Gospel and the Acts of the Apostles. Born a Gentile, likely in Antioch, he was highly educated and wrote in refined Greek, emphasizing Christ’s compassion for sinners, the poor, and the marginalized. His Gospel is noted for its detailed accounts of the Virgin Mary, the infancy of Jesus, an...

In Chapter VII, “Sculpture and Minor Arts and Crafts Outside of Italy,” James Joseph Walsh surveys how during the century of Columbus—roughly the 15th–early 16th centuries—sculpture and the ancillary arts flourished across Europe beyond Italy, developing styles that were often national or local in character even where Italian influence was felt. He discusses the rich sculptural traditions in the L...

Saint Margaret Mary Alacoque (1647–1690) was a French Visitation nun and mystic best known for her visions of the Sacred Heart of Jesus, through which she spread devotion to Christ’s divine love and mercy. Born in Burgundy, she experienced deep piety from childhood and consecrated herself to God at a young age after recovering from a severe illness. Entering the Visitation convent at Paray-le-Moni...

Saint Hedwig of Silesia (1174–1243), born into the noble Andechs family in Bavaria, was a duchess and later a revered patroness of Poland known for her holiness, humility, and charity. Educated from youth in a Benedictine convent, she was married at a young age to Duke Henry I the Bearded of Silesia, a leading Polish noble who later became High Duke of Poland. Together they worked to strengthen th...

Saint Teresa of Ávila (1515–1582) was a Spanish Carmelite nun, mystic, and reformer whose profound spirituality and writings made her one of the greatest figures of the Counter-Reformation. Born Teresa de Cepeda y Ahumada in Ávila, Spain, she entered the Carmelite convent at twenty and, after years of spiritual struggle, experienced deep mystical visions and a profound union with God. Seeing the l...

[Please note, regarding the commentary on the text "Philosophumena" and its author, which was as yet unknown to the Church in the 19th century: By early 20th century, it was recognized that the author of the Philosophumena was none other than St. Hippolytus of Rome, who for a time set himself against St. Callixtus as an antipope, yet was later reconciled to the Church, suffered martyrdom...

Saint Edward the Confessor, born around 1003, was the son of King Æthelred the Unready and Queen Emma of Normandy, and ascended the English throne in 1042 after years of exile in Normandy. His reign marked a period of relative peace and prosperity following decades of Danish domination. Edward worked to restore the authority of the Anglo-Saxon monarchy, strengthened royal justice, and promoted goo...

Dom Prosper Guéranger's The Liturgical Year, a monumental fifteen-volume work, offers a comprehensive exploration of the Catholic Church’s liturgical calendar, guiding readers through the spiritual and historical richness of the Church’s worship. Written in the 19th century, the series provides daily meditations, historical context, and liturgical texts for the Mass and Divine Office, covering...

Please note: Today’s chapter contains a portion not written by Dom Prosper himself, but by the editors of the Liturgical Year at a later date. The entries of the Liturgical Year are primarily authored by Dom Prosper Guéranger, but occasionally contain editors’ additions of subsequent information and events that are relevant to the given feast. The Feast of the Motherhood of the Blessed Virgin Mary...