InPrincipio
InPrincipio Podcast
Books, readings, and historical studies with a Catholic perspective
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InPrincipio
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Podcast website
Latest episode
Oct 13, 2026
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Episodes
Sts. Nazarius, Celsus, Victor, and Innocent (July 28) — From Dom Guéranger’s Liturgical Year 28.07.2026 12:46
A meditation for the Feast of Saints Nazarius and Celsus and Pope Saints Victor and Innocent, from Dom Guéranger’s “The Liturgical Year”, Volume IV of the Time after Pentecost. Please note that Servant of God Dom Prosper Guéranger went to his eternal reward in 1875; at this point, Volumes I-IX (Advent to Pentecost Saturday) had been completed, but Volumes X-XV (Trinity Sunday to Advent) had not ye...
Ninth Sunday after Pentecost — From Dom Guéranger’s Liturgical Year 26.07.2026 1:15:50
A meditation for the Ninth Sunday after Pentecost, from Dom Guéranger’s “The Liturgical Year”, Volume II of the Time after Pentecost. 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...
St. James the Great (July 25) — From Dom Guéranger’s Liturgical Year 24.07.2026 18:09
A meditation for the Feast of Saint James the Great, Apostle, from Dom Guéranger’s “The Liturgical Year”, Volume IV of the Time after Pentecost. Saint James the Great (also, Saint James "the Greater", or "the Elder"), whose feast is celebrated on July 25 in the traditional Roman calendar, was the son of Zebedee and Salome and the brother of Saint John the Evangelist. Together w...
St. Christina of Bolsena (July 24) — From Dom Guéranger’s Liturgical Year 23.07.2026 4:25
A meditation for the Feast of Saint Christina of Bolsena, from Dom Guéranger’s “The Liturgical Year”, Volume IV of the Time after Pentecost. Saint Christina of Bolsena was a young noblewoman and early Christian martyr from central Italy whose tradition is celebrated for her extraordinary resilience in the face of brutal persecution. According to her legend, she was raised by a wealthy, pagan Roman...
St. Apollinaris (July 23) — From Dom Guéranger’s Liturgical Year 22.07.2026 13:14
A meditation for the Feast of Saint Apollinaris of Ravenna, from Dom Guéranger’s “The Liturgical Year”, Volume IV of the Time after Pentecost. Saint Apollinaris of Ravenna was a Syrian disciple of Saint Peter who became the first bishop of Ravenna and is celebrated as the patron saint and evangelizer of Emilia-Romagna. According to tradition, Saint Peter personally appointed him to travel from Ant...
St. Mary Magdalene (July 22) — From Dom Guéranger’s Liturgical Year 21.07.2026 31:42
A meditation for the Feast of Saint Mary Magdalene, from Dom Guéranger’s “The Liturgical Year”, Volume IV of the Time after Pentecost. Saint Mary Magdalene was one of the most prominent and devoted followers of our Lord, famously serving as the primary witness to his resurrection. Hailing from the fishing town of Magdala, she was healed by Jesus, who cast out seven demons from her, after which she...
St. Praxedes (July 21) — From Dom Guéranger’s Liturgical Year 20.07.2026 6:50
A meditation for the Feast of Saint Praxedes, from Dom Guéranger’s “The Liturgical Year”, Volume IV of the Time after Pentecost. Saint Praxedes (also known as Prassede) was a second-century Roman virgin and martyr celebrated for her courageous devotion to the persecuted early Christian community. According to Christian tradition, she and her sister, Saint Pudentiana, were the daughters of Saint Pu...
St. Jerome Emiliani (July 20) — From Dom Guéranger’s Liturgical Year 19.07.2026 14:46
A meditation for the Feast of St. Jerome Emiliani (or Aemilian), from Dom Guéranger’s “The Liturgical Year”, Volume IV of the Time after Pentecost. Saint Jerome Emiliani (1486–1537) was an Italian soldier who transitioned from a chaotic military life to become a pioneer in social work and the patron saint of abandoned children. While serving as a commander in the Republic of Venice's army, he...
Eighth Sunday after Pentecost — From Dom Guéranger’s Liturgical Year 18.07.2026 51:15
A meditation for the Eighth Sunday after Pentecost, from Dom Guéranger’s “The Liturgical Year”, Volume II of the Time after Pentecost. Please note that Servant of God Dom Prosper Guéranger went to his eternal reward in 1875; at this point, Volumes I-IX (Advent to Pentecost Saturday) had been completed, but Volumes X-XV (Trinity Sunday to Advent) had not yet been completed. Thus, the remaining read...
St. Camillus of Lellis (July 18) — From Dom Guéranger’s Liturgical Year 17.07.2026 13:44
A meditation for the Feast of St. Camillus of Lellis, from Dom Guéranger’s “The Liturgical Year”, Volume IV of the Time after Pentecost. Saint Camillus de Lellis (1550–1614) was an Italian military officer who overcame a severe gambling addiction and a lifelong, painful leg wound to become a pioneering figure in healthcare and the founder of the Camillians (the Ministers of the Sick). Born in Bucc...
St. Alexius of Rome (July 17) — From Dom Guéranger’s Liturgical Year 17.07.2026 9:45
A meditation for the Feast of St. Alexius of Rome, from Dom Guéranger’s “The Liturgical Year”, Volume IV of the Time after Pentecost. Saint Alexius of Rome (also known as Alexis of Edessa or "the Man of God") is a highly celebrated 4th-to-5th-century saint whose legendary life serves as a profound symbol of radical humility and complete renunciation of worldly status. According to tradit...
Our Lady of Mount Carmel (July 16) — From Dom Guéranger’s Liturgical Year 16.07.2026 23:27
A meditation for the Feast of Our Lady of Mount Carmel, from Dom Guéranger’s “The Liturgical Year”, Volume IV of the Time after Pentecost. The Feast of Our Lady of Mount Carmel, celebrated on July 16, honors the Blessed Virgin Mary as the patroness and spiritual mother of the Carmelite Order, whose origins are traced to hermits living on Mount Carmel in the Holy Land during the age of the Crusades...
Saint Henry, Holy Roman Emperor (July 15) — From Dom Guéranger’s Liturgical Year 15.07.2026 15:43
A meditation for the Feast of Saint Henry, Holy Roman Emperor, from Dom Guéranger’s “The Liturgical Year”, Volume IV of the Time after Pentecost. Saint Henry II (972 to 1024), Holy Roman Emperor and King of Germany, ruled with a deep conviction that temporal authority should be exercised in humble service to Christ and His Church. Together with his wife, the saintly Cunigunde, he fostered ecclesia...
St. Bonaventure (July 14) — From Dom Guéranger’s Liturgical Year 14.07.2026 32:27
A meditation for the Feast of Saint Bonaventure, from Dom Guéranger’s “The Liturgical Year”, Volume IV of the Time after Pentecost. St. Bonaventure (1221 to 1274), the "Seraphic Doctor," was one of the greatest theologians and spiritual masters of the Franciscan Order. Born Giovanni di Fidanza in Bagnoregio, Italy, he entered the Franciscans after recovering from a serious childhood illn...
Pope St. Anacletus I (July 13) — From Dom Guéranger’s Liturgical Year 13.07.2026 6:05
A meditation for the Feast of Pope St. Anacletus I, from Dom Guéranger’s “The Liturgical Year”, Volume IV of the Time after Pentecost. Pope Saint Anacletus I is traditionally regarded as the third successor of St. Peter, governing the Church during the latter part of the first century and strengthening the infant Christian community amid periods of persecution. Ancient tradition holds that he was...
Seventh Sunday after Pentecost — From Dom Guéranger’s Liturgical Year 12.07.2026 38:50
A meditation for the Seventh Sunday after Pentecost, from Dom Guéranger’s “The Liturgical Year”, Volume II of the Time after Pentecost. Please note that Servant of God Dom Prosper Guéranger went to his eternal reward in 1875; at this point, Volumes I-IX (Advent to Pentecost Saturday) had been completed, but Volumes X-XV (Trinity Sunday to Advent) had not yet been completed. Thus, the remaining rea...
Pope St. Pius I (July 11) — From Dom Guéranger’s Liturgical Year 10.07.2026 6:17
A meditation for the Feast of Pope St. Pius I, from Dom Guéranger’s “The Liturgical Year”, Volume IV of the Time after Pentecost. Pope Saint Pius I, who governed the Church during the mid-second century (traditionally from about A.D. 140 to 155), shepherded the faithful through an era of both external persecution and internal doctrinal challenges. According to ancient tradition, he was the brother...
The Seven Holy Brothers and Sts. Rufina and Secunda (July 10) — From Dom Guéranger’s Liturgical Year 09.07.2026 18:29
A meditation for the Feast of the Seven Holy Brothers, Martyrs, and Saints Rufina and Secunda, from Dom Guéranger’s “The Liturgical Year”, Volume IV of the Time after Pentecost. The Seven Holy Brothers were seven Christian brothers, traditionally regarded as the sons of the noble widow Saint Felicitas of Rome, who suffered martyrdom during the persecution of the emperor Marcus Aurelius. Refusing e...
Practice for the Time after Pentecost — From Dom Guéranger’s Liturgical Year 08.07.2026 8:13
Chapter III of the Introduction to the Time after Pentecost: Practice for the Time after Pentecost, from Dom Guéranger’s “The Liturgical Year” Volume X, Book I of the Time after Pentecost. Please note that Servant of God Dom Prosper Guéranger went to his eternal reward in 1875; at this point, Volumes I-IX (Advent to Pentecost Saturday) had been completed, but Volumes X-XV (Trinity Sunday to Advent...
St. Elizabeth of Portugal (July 8) — From Dom Guéranger’s Liturgical Year 07.07.2026 15:13
A meditation for the Feast of Saint Elizabeth, Queen of Portugal, from Dom Guéranger’s “The Liturgical Year”, Volume IV of the Time after Pentecost. Saint Elizabeth of Portugal, also known as Elizabeth of Aragon, was a queen renowned for her deep piety, boundless charity, and tireless work as a peacemaker. Married to King Denis of Portugal, she endured many trials with patience, including her husb...
Saints Cyril and Methodius (July 7) — From Dom Guéranger’s Liturgical Year 06.07.2026 21:01
A meditation for the Feast of Saints Cyril and Methodius, Apostles of the Slavs, from Dom Guéranger’s “The Liturgical Year”, Volume III of the Time after Pentecost. Saints Cyril and Methodius were ninth-century brothers from Thessalonica who devoted their lives to bringing the Gospel to the Slavic peoples. Saint Cyril (originally Constantine), a brilliant scholar, and Saint Methodius, a capable ad...
The Octave of Saints Peter and Paul (July 6) — From Dom Guéranger’s Liturgical Year 05.07.2026 21:05
A meditation for the Octave Day of the Feast of Saints Peter and Paul, from Dom Guéranger’s “The Liturgical Year”, Volume III of the Time after Pentecost. Please note that Servant of God Dom Prosper Guéranger went to his eternal reward in 1875; at this point, Volumes I-IX (Advent to Pentecost Saturday) had been completed, but Volumes X-XV (Trinity Sunday to Advent) had not yet been completed. Thus...
Sixth Sunday after Pentecost — From Dom Guéranger’s Liturgical Year 04.07.2026 40:30
A meditation for the Sixth Sunday after Pentecost, from Dom Guéranger’s “The Liturgical Year”, Volume II of the Time after Pentecost. Please note that Servant of God Dom Prosper Guéranger went to his eternal reward in 1875; at this point, Volumes I-IX (Advent to Pentecost Saturday) had been completed, but Volumes X-XV (Trinity Sunday to Advent) had not yet been completed. Thus, the remaining readi...
Sixth day within the Octave of Saints Peter and Paul (July 4) — From Dom Guéranger’s Liturgical Year 03.07.2026 12:04
A meditation for the Sixth Day within the Octave of the Feast of Saints Peter and Paul, from Dom Guéranger’s “The Liturgical Year”, Volume III of the Time after Pentecost. Please note that Servant of God Dom Prosper Guéranger went to his eternal reward in 1875; at this point, Volumes I-IX (Advent to Pentecost Saturday) had been completed, but Volumes X-XV (Trinity Sunday to Advent) had not yet bee...
Pope St. Leo II (July 3) — From Dom Guéranger’s Liturgical Year 02.07.2026 21:51
A meditation for the Feast of Pope Saint Leo II, from Dom Guéranger’s “The Liturgical Year”, Volume III of the Time after Pentecost. Pope Saint Leo II was pope from 682 to 683 and is remembered as a learned and charitable pontiff who helped strengthen the unity of the Church during a period of controversy. Born in Sicily, he was known for his knowledge of Scripture, Greek, Latin, and sacred music,...
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