The first of these battle cries deals with the fundamental issue of authority, the middle three deal with the basics of salvation, and the final one addresses worship. In early Protestantism, both Lutheran and Reformed believers embraced these five watchwords. Regrettably, Luther and Ulrich Zwingli (1484–1531), the early leader of the Swiss Reformation, parted ways in October 1529 during the infamous Marburg Colloquy, when they could not reach agreement on the nature of Christ’s presence in the Lord’s
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