The Normal Christian Life
This article by Rodney Kleyn uses Lord's Day 33 of the Heidelberg Catechism to explore what truly defines a Christian—not external works, knowledge, or moral behavior, but the spiritual reality of being regenerated by the Holy Spirit. Through careful catechetical instruction, Kleyn addresses common misconceptions about Christian identity and emphasizes that authentic Christianity is fundamentally characterized by the mortification of the old man and quickening of the new man through the Spirit's work.
Lord's Day 33 Question 88. Of how many parts doth the true conversion of man consist? Answer. Of two parts: of the mortification of the old, and the quickening of the new man. Question 89. What is the mortification of the old man? Answer. It is a sincere sorrow of heart that we have provoked God by our sins, and more and more to hate and flee from them. Question 90. What is the quickening of the new man? Answer. It is a sincere joy of heart in God, through Christ, and with love and...
Full article available on sb.rfpa.org