Martin Luther did all that the church asked him to do, yet he lacked an assurance of God’s mercy. R.C. Sproul explains how Luther’s trip to Rome led to a crisis of faith. Click the related video to watch the full message. This month only, download a free 90-day devotional ebook: The Heart of the Reformation. Ligonier.org/reformation #reformed #theology #reformedtheology #rcsproul"