Augsburg Confession (Confessio Augustana)
Item docent, quod homines non possint iustificari coram Deo propriis viribus, meritis aut operibus.
Our renderingOur churches likewise teach that men cannot be justified before God by their own strength, merits, or works.
What it is
The Augsburg Confession was presented by Lutheran princes and city delegates to Emperor Charles V at the Diet of Augsburg in 1530, drafted primarily by Melanchthon with Luther's close oversight from Coburg. It functioned simultaneously as a political document, a confessional identity statement, and a catechetical summary of evangelical doctrine in 28 articles. Subscription to it became the basis of membership in the Schmalkaldic League, embedding this text in the constitutive political and devotional identity of Protestant dynastic life for generations. It was incorporated as the first item in the Lutheran Book of Concord (1580), which every subscribing territorial prince formally affirmed as the doctrinal basis of his territory.
Why it still matters
For Lutherans today it remains the foundational confessional document; reading its 28 articles provides a clear and surprisingly brief account of Lutheran doctrine — well suited to adult confirmation study, personal formation, or ecumenical dialogue.
Kept alongside
Luther's Small Catechism
Der Kleine Katechismus
Written in 1529 as a household guide for fathers to teach their children the essentials of Protestant faith, the Small Catechism covers the Ten Commandments, Apostles' Creed, Lord's Prayer, Baptism, the Lord's Supper, and daily prayers in a question-and-answer format designed for memorization. Duke Albrecht von Hohenzollern commissioned its translation into Old Prussian in 1545, printed by Hans Weinreich in Königsberg — the oldest printed books in that language — making vernacular catechetical instruction a cornerstone of the duchy's Reformation. Frederick the Great's 1763 General-Land-Schul-Reglement explicitly mandated Luther's Small Catechism in all Prussian schools, cementing it as the primary doctrinal formation text for Hohenzollern subjects across three centuries. It remains the most widely used Protestant catechism in the world and a living document in Lutheran congregations globally.
Heidelberg Catechism
Heidelberger Katechismus
Commissioned in 1563 by Elector Frederick III of the Palatinate and principally authored by Ursinus and Olevianus, the Heidelberg Catechism became the primary doctrinal and devotional formation instrument of international Calvinism, approved at the Synod of Dort in 1619. After Elector John Sigismund of Brandenburg converted to Calvinism in 1613–14, he explicitly placed the Heidelberg Catechism alongside the Augsburg Confession in the Berlin court church, making it the instrument of Reformed catechetical formation for the Hohenzollern dynasty's private faith until the Prussian Union of 1817. Its 129 questions and answers are deliberately affective as well as doctrinal, structured around comfort, guilt, and gratitude rather than abstract theology. Spanning Reformed churches across Germany, the Netherlands, Hungary, and the English-speaking world, its historical reach is genuinely ecumenical.
Luther's Large Catechism (Deutsche Katechismus)
The Large Catechism, published in April 1529, arose from Luther's Saxon parish visitations and was addressed to pastors and educated adults in princely households who required deeper catechetical grounding than the Small Catechism provided. Luther himself testified to reading it every morning alongside the Psalms, intending it as a devotional commentary to be re-read regularly rather than studied once. Incorporated into the 1580 Book of Concord as a binding confessional standard, it became the document to which Lutheran princes attached their public subscription, making it simultaneously a devotional text and an act of political-religious identity. Its five parts — Commandments, Creed, Lord's Prayer, Baptism, and Eucharist — constitute a complete map of the Christian life.