Calvin's Institutes: May 5

John Calvin's Institutes in a Year · May 4, 2026 · 12m

Calvin comes out swinging here, arguing that indulgences didn’t just drift into error—they grew directly out of a flawed view of satisfaction and ended up turning salvation into a marketplace, where grace was treated as something bought, sold, and distributed by human authority rather than received freely in Christ. He dismantles the idea of a “treasury of merits,” insisting that to supplement Christ’s work with the supposed surplus of saints is not a minor mistake but a direct attack on the sufficiency of the cross, repeatedly grounding his argument in Scripture that points to Christ alone…