Heidelberg Catechism
The Heidelberg Catechism (1563) is a Reformed catechism of 129 questions and answers organized around the themes of guilt, grace, and gratitude. It is one of the Three Forms of Unity, the confessional standards of the Continental Reformed churches.
Date: 1563
Authorship: Produced in the Palatinate under Elector Frederick III, traditionally associated with Zacharias Ursinus and Caspar Olevianus.
The Heidelberg Catechism was written to provide clear church instruction and unite Reformed teaching with devotional comfort.
It is one of the Three Forms of Unity and remains beloved for its personal, consoling opening and practical shape.
- Follow the Lord’s Day structure as a weekly devotional rhythm.
- Notice how doctrine is framed through comfort, gratitude, and Christian living.
- Compare its sacramental language with Westminster and Belgic treatments.
The knowledge of our sin and misery
God the Father and creation, as confessed in the Apostles' Creed
The Lord Jesus Christ: His person, offices, and states
The Holy Spirit, the church, forgiveness, resurrection, and eternal life
The sacraments of Baptism and the Lord's Supper
Gratitude expressed through obedience to the Ten Commandments
Prayer as the chief part of thankfulness, and the Lord's Prayer
Q82. Are those also to be admitted to the Lord's supper who by their confession and life show that they are unbelieving and ungodly?
A. No, for then the covenant of God would be profaned and His wrath kindled against the whole congregation. Therefore, according to the command of Christ and His apostles, the Christian church is duty-bound to exclude such persons by the keys of the kingdom of heaven, until they amend their lives.
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