Catholic & Christian doctrine
Faith foundations: Christ, Scripture, the Church, sacramental life — plain language for beginners and refresher reading.

Biblical Manhood: Recovering God's Design for Fatherhood
Biblical manhood is rooted in sacrificial love, spiritual leadership, and covenantal fidelity. This article explores how Scripture defines fatherhood, offering Catholic theological insights and practical steps for men seeking to recover God’s original design for family life.

The Trinity: Math, Mystery, or Necessity?
The Holy Trinity is not a mathematical puzzle to solve but a divine reality to encounter. This guide explores why human logic falls short, why mystery invites humility, and why a triune God is absolutely necessary for perfect love. Discover how this central Catholic doctrine transforms your daily prayer, relationships, and understanding of God’s nature.

Prayer and the Our Father — Dialogue with God the Father
Prayer is lifting the soul to God. Matthew 6:9-13, Luke 11:1-4, and Part Four of the Catechism on the life of prayer.

Christian Moral Life — Love and the Ten Commandments
Christian morality is based on the love of God and neighbor. Matthew 22:37-40, the commandments, and the Catechism Part Three.

Repentance and Reconciliation — The Mercy of God
The sacrament of reconciliation after baptism. John 20:23, 2 Corinthians 5:18-20 and the teaching on repentance, confession, and reconciliation.

Holy Eucharist — Sacrament of Love and True Presence
The Eucharistic Feast: remembrance, reality, and sacrifice. Luke 22:19-20, 1 Corinthians 11:23-26, and the doctrine of the Body and Blood of Christ.

Baptism — The Sacrament of New Birth in Christ
Baptism forgives sin and gives sanctifying grace. Read with Matthew 28:19, Romans 6:3-4, and Catholic teaching on the sacraments of initiation.

The Church — The Mystery of the Body of Christ
The Church is the communion of believers and the Body of Christ. Read with Matthew 16:18, 1 Corinthians 12:12-27, and Catholic teaching on communion.

Salvation and Grace — Not by works, but as a gift
Salvation is the work of God's love. Ephesians 2:8-10, Titus 3:5, and the doctrine of grace and good works in the Christian life.

Jesus Christ — True God and True Man
The mystery of the Incarnation: the Word became flesh. Read with John 1:1-14, Colossians 2:9, and the faith defined by the ecumenical councils.

Revelation and Faith — The Word of God and the Human Response
God reveals himself; the human person responds in faith. Read with the Catechism on revelation, Romans 10:17, and the Church's role in handing on the Word of God.

Theology of the Holy Trinity — One God in Three Persons
Phân tích giáo lý Đức Chúa Ba Ngôi dựa trên Kinh Thánh và Sách Giáo lý Hội Thánh Công giáo: Ba Ngôi Vị, một bản thể, và đời sống Kitô hữu trong tình yêu hiệp thông.