Saint Thomas Aquinas (1225 – 7 March 1274), was a Doctor of the Church, Philosopher, Theologian, Jurist, Dominican Friar, and Priest. Known as Doctor Angelicus "Angelic Doctor," and the Doctor Communis "Universal Doctor" his writings serve as a defense and proof of the validity of Christ's authority over all. The Summa contra Gentiles (also known as Liber de veritate catholicae fidei contra errores infidelium, "Book on the truth of the Catholic faith against the errors of the unbelievers"). The Summa contra Gentiles consists of four books. The structure of Saint Thomas's work is designed to proceed from general philosophical arguments for monotheism, to which Muslims and Jews are likely to consent even within their own respective religious traditions, before progressing to the discussion of specifically Christian doctrine.
Book I begins with general questions of truth and natural reason, and from chapter 10 investigates the concept of a monotheistic God. Chapters 10 to 13 are concerned with the existence of God, followed by a detailed investigation of God's properties (chapters 14 to 102). When demonstrating a Truth about God which can be known through reason, St. Thomas gives multiple arguments, each proving the same Truth in a different way.
Whether you are a history enthusiast, a student of religion, or simply curious about the impact of the Roman Catholic Church on the world, this playlist is designed to provide an informative and engaging journey through its captivating past. Subscribe to the Contemplating History channel for more educational content and immerse yourself in the rich tapestry of history.
15 May 2026
Summa Contra Gentiles Book I: Reasons of Those Who Deny God the Knowledge of Particulars
From Contemplating History
He Made ChatGPT Learn Everything About Catholicism | Matthew Sanders
Matthew Sanders is a technologist working at the intersection of artificial intelligence and Catholic evangelisation, building digital tools that are shaping how people encounter faith in the modern world.
In this conversation, he discusses the rise of AI as a space for spiritual inquiry, the millions of users engaging with Magisterium AI, and the kinds of personal and religious questions being asked through these systems. The discussion explores whether AI can serve as a form of pre-evangelization, the risks of mediating spiritual authority through technology, and what Catholics can expect Pope Leo to say in his forthcoming encyclical on AI.
Guest bio:
Matthew Sanders is a Catholic technologist who has designed and developed major digital platforms for the Church, including projects for the Vatican Observatory and the Vatican’s Office for Migrants and Refugees. He is the creator of Magisterium AI, an initiative aimed at bringing the Church’s intellectual and spiritual tradition into conversation with users through artificial intelligence.
The Life of Elizabeth I (Pt 3) | The Last Tudor Standing
From
It’s 17 November 1558, and the LIFE OF ELIZABETH I has just reached its pinnacle. With the death of Mary I, her younger half-sister is now the last Tudor standing and the Queen of England, but much of Europe considers the daughter of Henry VIII and Anne Boleyn to be illegitimate and she faces an uphill struggle to secure her throne and her country. In this week’s History Calling video, which is the 12th in my Tudor Monarchs’ series, we’ll look at the first segment of the new Queen’s reign. We’ll ask questions including why did Elizabeth I never get married and what religion was Elizabeth I? We’ll also learn how her experience with smallpox nearly killed her and scared her for life and study the infamous relationship between Queen Elizabeth and Robert Dudley, Earl of Leicester, her greatest favourite. The mysterious death of Amy Robsart, Dudley’s wife, in 1560 will also come under scrutiny, as the circumstances surrounding her demise became (and remain) a great scandal of Elizabeth I’s reign. The tangled fates of Elizabeth I and Mary, Queen of Scots, which led to the latter becoming a prisoner Queen in her cousin’s country will also feature. Finally, we’ll ask was Elizabeth I really a virgin, or was it all a lie? Other prominent Tudor figures studied in this video will include Robert Cecil, Lord Burghley, one of the Queen’s most trusted and loyal advisors. The story of the Tudors has just reached its most famous and fascinating chapter!
The Relationship Between Science & Catholicism
The Society of Catholic Scientists has grown to more than 700 members. One of them, Dr Aaron Dominguez from the Catholic University of America, tells us how they balance their work while remaining true to their faith.
Who is St Dymphna? Here's 7 Things to Know About the Patroness of Mental Afflictions
Today is her Feast Day. Born in Ireland and martyred in Belgium, she is the Patroness of those who suffer mental afflictions such as depression or anxiety.
From ChurchPOP
Here are seven things to know and share about the life of St. Dymphna:
1) Born in Ireland sometime during the seventh century.
2) Her father was a pagan king. It is said her Christian mother secretly baptized and raised her in the faith.
3) When Dymphna’s mother died, her father became so unhinged that he listened to sinful suggestions that he remarry his own daughter.
4) She fled for Belgium to avoid his outrage over her rejection. Her confessor, Fr. Gerebran, joined her.
5) Dymphna's father and his men later discovered her. She was martyred protecting her purity at age 15. Both she and her confessor became saints!
6) Patroness of mental illness and nervous disorders, including anxiety, depression, autism, and dementia.
7) Many travel to the church named after St. Dymphna in Geel, Belgium. They seek her intercession for healing from mental afflictions.
Here is a prayer calling on St. Dymphna:
Good Saint Dymphna, great wonder-worker in every affliction of mind and body, I humbly implore thy powerful intercession with Jesus through Mary, the Health of the Sick, in my present need. (Mention it.)
Saint Dymphna, martyr of purity, patroness of those who suffer with nervous and mental afflictions, beloved child of Jesus and Mary, pray to Them for me and obtain my request.
(Pray one Our Father, one Hail Mary and one Glory Be.)
Saint Dymphna, Virgin and Martyr, pray for us.
A Prayer Entrusting a Loved One to the Intercession of St. Dymphna:
Lord Jesus Christ,
You have willed that St. Dymphna should be
invoked by thousands of clients as
the patroness of nervous and mental disease,
and have brought it about that her interest
in these patients should be an inspiration to
and an ideal of charity throughout the world.
Grant that through the prayers of this
youthful martyr of purity, those who suffer
from nervous and mental illness everywhere
on earth may be helped and consoled.
I recommend to Thee in particular
(Here mention those you wish to pray for).
Be pleased to hear the prayers of
St. Dymphna and of your Blessed Mother
Help of the sick and Comforter of the afflicted,
on behalf of those whom I recommend to the
love and compassion of Your Sacred Heart.
Give them patience to bear with their affliction and resignation to do Your divine will.
Give them the consolation they need and especially the cure they so much desire, if it be Your will.
May we all serve Your suffering members with a charity which may merit for us the reward of being united forever in Heaven with You, our Divine Head, who lives and reigns with the Father in the unity of the Holy Spirit forever.
Amen.
St. Dymphna, pray for us!
By Caroline Perkins
Today, many Catholics look to St. Dymphna as a model of faith and courage, praying to her for protection, healing, and peace in difficult times.Here are seven things to know and share about the life of St. Dymphna:
1) Born in Ireland sometime during the seventh century.
2) Her father was a pagan king. It is said her Christian mother secretly baptized and raised her in the faith.
3) When Dymphna’s mother died, her father became so unhinged that he listened to sinful suggestions that he remarry his own daughter.
4) She fled for Belgium to avoid his outrage over her rejection. Her confessor, Fr. Gerebran, joined her.
5) Dymphna's father and his men later discovered her. She was martyred protecting her purity at age 15. Both she and her confessor became saints!
6) Patroness of mental illness and nervous disorders, including anxiety, depression, autism, and dementia.
7) Many travel to the church named after St. Dymphna in Geel, Belgium. They seek her intercession for healing from mental afflictions.
Here is a prayer calling on St. Dymphna:
Good Saint Dymphna, great wonder-worker in every affliction of mind and body, I humbly implore thy powerful intercession with Jesus through Mary, the Health of the Sick, in my present need. (Mention it.)
Saint Dymphna, martyr of purity, patroness of those who suffer with nervous and mental afflictions, beloved child of Jesus and Mary, pray to Them for me and obtain my request.
(Pray one Our Father, one Hail Mary and one Glory Be.)
Saint Dymphna, Virgin and Martyr, pray for us.
A Prayer Entrusting a Loved One to the Intercession of St. Dymphna:
Lord Jesus Christ,
You have willed that St. Dymphna should be
invoked by thousands of clients as
the patroness of nervous and mental disease,
and have brought it about that her interest
in these patients should be an inspiration to
and an ideal of charity throughout the world.
Grant that through the prayers of this
youthful martyr of purity, those who suffer
from nervous and mental illness everywhere
on earth may be helped and consoled.
I recommend to Thee in particular
(Here mention those you wish to pray for).
Be pleased to hear the prayers of
St. Dymphna and of your Blessed Mother
Help of the sick and Comforter of the afflicted,
on behalf of those whom I recommend to the
love and compassion of Your Sacred Heart.
Give them patience to bear with their affliction and resignation to do Your divine will.
Give them the consolation they need and especially the cure they so much desire, if it be Your will.
May we all serve Your suffering members with a charity which may merit for us the reward of being united forever in Heaven with You, our Divine Head, who lives and reigns with the Father in the unity of the Holy Spirit forever.
Amen.
St. Dymphna, pray for us!
Benedictine College Goes Viral For Expelling Students For Teaching Catholic Truth
Some truths of the faith are uncomfortable, like the fact that the Old Covenant was fulfilled by Christ and that no one is saved without Christ, no exceptions. For this faith, students at a supposedly good Catholic college are going to be expelled, some right before they would graduate, because they objected to lies taught by a non-Catholic organisation with ties to some shady money from Israel-linked groups.
15 Forgotten Medieval 3-Ingredient Breads Peasants Thrived On For 500 Years
From Medieval Way
You've been told medieval bread was garbage. Stale, gritty, barely fit for animals. That's the story the modern food industry needs you to believe. Because if you find out that peasants in 1340 were eating bread with three ingredients that outperformed your grocery store loaf on shelf life, nutrition, and digestion, you might start asking why your "whole grain artisan" sourdough costs nine euros and molds in four days.
Two years of digging through monastery records, manorial accounts, and reconstructed recipes from the British Museum, the Vatican Library, and excavated bakery sites in York and LĂĽbeck turned up something they don't teach in culinary school. Fifteen medieval bread recipes. Three ingredients each. Most of them lasted weeks or months without refrigeration. Some of them were used as medicine. One of them kept entire armies alive on campaigns that lasted years.
Traditional Catholic Morning Prayers in English | May
Traditional Catholic morning prayers to help start your day in a godly way! The month of May is dedicated to the Blessed Virgin Mary. May our devotion to the Blessed Mother increase more and more and help us to love her divine Son, Jesus, more and more. We've included the Memorare, the litany of the Blessed Virgin Mary, and a Spiritual Communion. Begin your May with daily morning prayer. This video is a compilation of many traditional morning prayers Catholics say, and should not be considered a replacement for those who have an obligation to pray the Divine Office morning prayers.
The Only Group That Won't Honor Mary Is...'Bible Christians'
From Totus Catholica
The Quran mentions Mary by name more times than the entire New
Testament does. An entire chapter, Surah 19, is named after her.
Surah 3:42 declares that God chose Mary and purified her, choosing
her above the women of all nations. Meanwhile, many Protestant
Christians today will tell you that honouring Mary is idolatry.
1.8 billion Muslims honour the mother of Jesus. 1.3 billion
Catholics honour her. 260 million Orthodox Christians honour her.
The Hebrew name Miriam is the same as the name Mary. In Luke
1:48, Mary herself prophesied that all generations shall call her
blessed. The refusal to honour her is not the ancient position.
It is the 500-year-old anomaly.
CHAPTERS:
0:00 The Fact That Will Challenge Everything You Think About Mary
1:04 Luke 1:48: All Generations Shall Call Me Blessed
2:08 Miriam: The First Prophetess and the Well That Dried When She Died
3:06 Irenaeus and Justin Martyr: Mary as the New Eve
3:44 Mary as the Ark of the New Covenant: Luke 1 and 2 Samuel 6
4:15 The Gevirah: The Queen Mother in the Davidic Kingdom
5:44 The Islamic Witness: Why a Hostile Witness Makes the Case Stronger
🌍 Website: https://totuscatholica.org/
đź“ż Rosary Guide: https://totuscatholica.org/rosary
✉️ Contact: https://totuscatholica.org/contact
🔍 Examination of Conscience: https://catholicexaminationofconscien...
St John Baptist de la Salle Was a Trailblazer in Education
Today is his Feast Day. He founded the Institute of the Brothers of the Christian Schools, generally known simply as the Christian Brothers.
St. John Baptist de La Salle is regarded as the patron saint of all educators as he founded a unique religious order that is dedicated entirely to teaching.
From Aleteia
By Philip Kosloski
While there have been many saints in the history of the Church who dedicated their lives to the education of children, St. John Baptist de La Salle was unique in his approach.
He felt drawn not only to educate the poor, but to train educators how to be good teachers in the classroom.
This divine calling led him to found the Institute of the Brothers of the Christian Schools (Christian Brothers) in the early 18th century.
No priests, only brothers
De La Salle was ordained to the priesthood in 1678, but he found that it was difficult to devote his time to education. He wanted to give everything to this vocation and so established a new type of religious institute that did not ordain priests.
The Catholic Encyclopedia provides the following reasoning as to why De La Salle chose this path:
Brother Lucard, the Annalist of the institute, thus sums up the matter: "Since the death of Henri L'Heureux, de la Salle was firmly convinced that his institute was to be founded on simplicity and humility. No Brother could, without compromising his congregation, allow himself to be diverted from his functions as a teacher, by devoting himself to special studies, the saying of the Divine Office, or the fulfillment of other duties obligatory on the sacred ministry." Therefore, no Brother can aspire to the priesthood nor perform any priestly function, and no ecclesiastic can become a member of the institute. This is the new rule that de la Salle added, and it is embodied in the Constitution of the institute.
Pope Leo XIV pointed this unique mission out in an address to the Christian Brothers on May 15, 2025:
Saint John Baptist de La Salle did not want there to be priests among the teachers of the Christian Schools, but only “brothers,” so that all your efforts would be directed, with God’s help, to the education of the pupils. He loved to say: “Your altar is the classroom,” thus promoting a reality hitherto unknown in the Church of his time: that of lay teachers and catechists, invested in the community with a genuine “ministry."
De La Salle wanted educators to be fully invested in the poor young people they taught and to give them everything they had.
As many educators can attest, this requires much time and energy, something a priest with many responsibilities is not able to fully give.
De La Salle is also seen as a founder of the modern pedagogy of education, grouping students by ability and not age and incorporating physical activity into the curriculum. With this method, students could work together on the same material, instead of with individual tutors -- thus this was the foundation of the modern classroom setting.
In 1725 the Christian Brothers were officially recognized by the pope, even though many in the Church were in opposition to a group of religious men who were not priests.
The Christian Brothers are still active today in over 80 countries, and one of their most popular saints is Wisconsin-native Blessed James Miller, who is sometimes referred to as a "martyr of education."
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