The figure of Pedro Martínez de Luna, known in history as Pope Luna, has been a subject of fascination, controversy, and mystery for centuries. This Aragonese cardinal of the 14th century became one of the most debated popes of the Catholic Church, not only for his role in the Western …

The Beatitudes are among the most iconic teachings of Jesus Christ, forming the heart of the Sermon on the Mount, found in the Gospel of Matthew (5:3–12). Through these eight declarations of happiness, Jesus presents a radical path to true joy and holiness, challenging worldly perspectives on wealth, power, and …

Prayer is one of the most fundamental practices in Christian life. It is not simply an act or a series of words, but a deep and transformative encounter with God. But how do we learn to pray? What does it mean to open our hearts and minds to listen to …

Introduction: The Sacred Heart of Jesus in Catholic Theology The Sacred Heart of Jesus is one of the most beloved and profound devotions within the Catholic faith. Through the image of Christ’s heart, the faithful are invited to contemplate the deep, constant, and merciful love of Jesus for all of …

The word “indulgence” can evoke a variety of images and often raises questions and misunderstandings. However, it is a profoundly meaningful and spiritually rich concept which, when understood and practiced, allows us to experience God’s mercy in a very tangible way. In this article, we will explore what indulgences are, …

In the vast world of Catholic theology, some concepts can be challenging to understand and are sometimes even sources of confusion, especially for those beginning to deepen their faith. One of these topics is the difference between worship and veneration. Although these terms are frequently used in faith practices, they …

1. Introduction All Saints’ Day, celebrated on November 1st, is one of the most important feasts in the liturgical calendar of the Catholic Church. Although many people associate it with visiting cemeteries or confuse it with All Souls’ Day, this celebration has a profound spiritual background that touches the very …

The Catholic Church, throughout the centuries, has developed a rich tradition that connects the spirituality of the faithful with the cycles of time. Among these traditions is the custom of dedicating each month of the year to a specific devotion, focusing the lives of believers on essential aspects of faith, …

Introduction: The Heart of the Christian Faith The First Commandment, “You shall love God above all things,” holds a central place in Christian theology and spirituality. This fundamental teaching not only marks the beginning of the Ten Commandments but also serves as the cornerstone of the entire Christian life. When …

1. Introduction: Forgiveness as a Foundation of Christian Love Forgiveness within the family is one of the fundamental pillars for maintaining harmony and peace at home. In daily life, misunderstandings, hurtful words, or thoughtless actions can cause deep wounds among family members. However, the Christian call is clear: forgiveness is …

The family is the natural setting where the most valuable gift is passed down: faith. Within this structure, grandparents hold a place of particular importance. In the Catholic tradition, grandparents are not merely affectionate figures offering love and care; they are a living link to the past, bearers of wisdom, …

1. Introduction: The Meaning and Importance of Immixion in Catholic Theology Immixion is a term that, although little known outside certain theological circles, has profound relevance in Catholic liturgy. It refers to the act in which a small portion of the Body of Christ, that is, a part of the …

Introduction: The Mystery of the Eucharist and the Mixing of Water and Wine One of the most symbolic moments in the celebration of the Eucharist is when the priest mixes a little water with the wine in the chalice. This gesture, although it may seem simple or routine, is laden …

1. Introduction: The Family Crisis from the Perspective of Faith Family crises are an inevitable reality in the lives of individuals. Whether due to communication problems, financial difficulties, illness, generational conflicts, or even the loss of a loved one, every family faces moments of tension and challenge at some point. …

The Agnus Dei, or “Lamb of God,” is one of the most powerful and evocative images in Christian faith. This expression, used in Catholic liturgy, is loaded with profound theological and spiritual meaning. It is not just a reference to Christ, but encapsulates the essence of redemptive sacrifice, divine mercy, …

1. Introduction: The Importance of Discernment in Celebrations and Festivities In contemporary society, the celebration of Halloween has gained global popularity, transcending cultural and religious boundaries. What was once a localized holiday in certain countries is now a worldwide phenomenon, attracting people of all ages, including within Catholic communities. While …

Introduction: The Richness of Charisms Within the vast and profound tradition of the Catholic Church, charisms hold a special place. These gifts, given by the Holy Spirit, have been an inexhaustible source of spiritual life, renewal, and service in the Church since its early days. Charisms not only have a …

1. Introduction: The Importance of St. Thomas Aquinas in Catholic Theology St. Thomas Aquinas, also known as “The Angelic Doctor” or “The Aquinate,” is one of the most influential figures in the history of Catholic theology and Christian philosophy. His work has profoundly shaped Western theological thought, and his teachings …

The principle of solidarity is one of the foundational pillars of the social doctrine of the Catholic Church. It is a Christian virtue that goes beyond empathy or concern for others, promoting unity, social justice, and the recognition of every human being’s inherent dignity. In a world where individualism and …

The Eucharist, also known as the Blessed Sacrament, is the center and culmination of Christian life. For Catholics, it is much more than a simple ritual or tradition: it is the real and profound encounter with Jesus Christ. In each Eucharistic celebration, the faithful partake of the Body and Blood …

Introduction: The Context and Importance of the Topic in Catholic Theology The principle of subsidiarity is one of the foundational pillars of the Catholic Church’s social doctrine. It is often associated with social and political organization, but at its core, it is a deeply theological principle that reflects a Christian …

Mary Magdalene is one of the most fascinating and revered figures in Christian tradition. Although she has been the subject of misunderstandings and myths for centuries, her role in Catholic theology is profoundly significant. Often seen as a symbol of redemption and God’s grace, Mary Magdalene was the first to …

The word Amen is one of the most recognized in the Christian tradition and, at the same time, one of the most profound. Though short, its meaning holds a spiritual, theological, and personal richness that has accompanied believers for millennia. It’s a word repeated in liturgy, in daily prayer, and …

The Gospel of John is one of the most profound and spiritual texts in the New Testament. It stands apart from the other three gospels (Matthew, Mark, and Luke), known as the “synoptic gospels,” because it offers a more reflective and theological view of the life, teachings, and nature of …

The Gospel according to St. Luke is one of the four Gospels that form part of the New Testament and one of the most significant works in Christian literature. This Gospel, written by Luke, a physician and follower of the Apostle Paul, holds a special place within the biblical canon: …

The Sacrament of Confirmation is one of the cornerstones of Christian life, an inexhaustible source of grace that strengthens our faith and equips us to live fully as disciples of Christ. Although it may sometimes seem like a rite of passage or a mere tradition, Confirmation carries profound meaning and …

We are delighted to welcome you to Catholicus.eu, a platform dedicated to providing clear and profound insights into the Catholic faith. Our mission is to help Catholics, and those seeking truth, navigate the challenges of the modern world while remaining deeply rooted in the timeless teachings and traditions of the …

Baptism is one of the most important and fundamental sacraments in the life of a Christian. It is a sacred rite that marks the beginning of our life in faith, a true gateway into the Christian community and, even more so, into eternal life. From the early days of the …

Discovery, Content, and Theological Significance The Nag Hammadi Library is one of the most fascinating and significant discoveries of the 20th century in terms of Christian history and early religious writings. This collection of texts, found in 1945 near the town of Nag Hammadi in Egypt, contains a series of …

Praying the Rosary is one of the most beloved and traditional devotions within the Catholic Church. From its origins in the Middle Ages to the present day, the Rosary has been a source of comfort, spiritual strength, and a powerful means to meditate on the mysteries of the lives of …