Heidelberg Catechism, Lord's Day 22
Lord's Day 22 of the Heidelberg Catechism presents the Reformed understanding of justification and sanctification through question-and-answer catechetical instruction. This resource serves as a foundational teaching tool for covenant education, explaining how believers are declared righteous before God through Christ alone and progressively conformed to His image by the Holy Spirit.
[Lord's Day 22 text - parse manually from https://www.crcna.org/welcome/beliefs/confessions/heidelberg-catechism]