Holy Cross - St Nektarios Greek Orthodox Church

ΙΕΡΟΣ ΝΑΟΣ ΤΙΜΙΟΥ ΣΤΑΥΡΟΥ - ΑΓΙΟΥ ΝΕΚΤΑΡΙΟΥ

κατήχησις

Catechism

What is Catechism?

Catechism (κατήχησις) means “instruction” or “teaching.” In the Orthodox Church, it refers to the structured preparation and spiritual formation of individuals seeking to enter or grow in the faith. It includes the study of Holy Scripture, the Church Fathers, liturgical life, and the central doctrines of the Orthodox Church.

Catechism is not just intellectual—it’s transformational. It is a path toward communion with God, the Holy Trinity, and full participation in the sacramental life of the Church.

“Come and see.”

— John 1:46

Topics Covered in
Orthodox Catechism

1. God and the Holy Trinity

  • Understanding the One God in Three Persons: Father, Son, and Holy Spirit

  • The Nicene-Constantinopolitan Creed

  • The divine attributes of God: omnipotence, love, mercy, justice

2. Jesus Christ, the Son of God

  • The Incarnation: God becomes man

  • The Crucifixion and Resurrection

  • Christ’s role as Savior and Judge

  • The Ascension and Second Coming

3. The Holy Spirit

  • The role of the Holy Spirit in the Church and in personal sanctification

  • The descent at Pentecost

  • Gifts and fruits of the Spirit

4. The Church

  • The Orthodox Church as the Body of Christ

  • Apostolic succession and the role of bishops, priests, and deacons

  • The importance of Holy Tradition and the Ecumenical Councils

5. The Sacraments (Holy Mysteries)

The Orthodox Church recognizes seven primary sacraments:

  • Baptism – Entry into the life in Christ

  • Chrismation – Sealing with the Holy Spirit

  • Eucharist – Receiving the Body and Blood of Christ

  • Confession (Repentance) – Healing the soul through forgiveness

  • Marriage – A holy union blessed by God

  • Holy Orders – Ordination of clergy

  • Unction (Holy Anointing) – Healing of soul and body

6. Holy Scripture and Tradition

  • The Bible: Old and New Testaments

  • The Church Fathers: St. Basil, St. John Chrysostom, St. Gregory the Theologian, etc.

  • Icons and Liturgical Worship

7. The Life of Prayer and Fasting

  • Daily prayer, morning and evening

  • The Jesus Prayer: “Lord Jesus Christ, Son of God, have mercy on me, a sinner.”

  • Fasting periods: Great Lent, Wednesdays and Fridays, the Nativity Fast, etc.

8. The Liturgical Year and the Saints

  • Feasts and fasts of the Church calendar

  • The Twelve Great Feasts

  • Veneration of the Theotokos (Virgin Mary) and the saints

Orthodox Catechism
E-Book PDF

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