The Fourth Commandment is not about protecting a calendar but about teaching the soul to rest in God. In Book 2, Chapter 8, Sections 28–34 of Institutes of the Christian Religion, Calvin explains that the Sabbath first signified spiritual rest—ceasing from our own works so that God may work in us by His Spirit (Hebrews 3:13; 4:3, 9). The seventh day pointed forward to the perfection of that rest, fulfilled in Christ, the substance of the shadow (Colossians 2:16–17; Romans 6:4). Yet while the ceremonial aspect has been abolished, two enduring purposes remain: the orderly gathering of the Church for Word, sacraments, and prayer (1 Corinthians 14:40; 16:2), and humane rest for those under our authority (Deuteronomy 5:14; Exodus 23:12). Calvin sharply rejects both Judaizing superstition and careless neglect. Christians are not bound to the number seven, but they are bound to pursue lifelong mortification, disciplined worship, and charity toward others. The Lord’s Day stands not as a revived shadow, but as a wise and necessary appointment for preserving peace, order, and the flourishing of true religion.

Readings: John Calvin — Institutes of the Christian Religion, Book 2, Chapter 8, Sections 28–34

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