by human works or merit. Zwingle, the Reformer of Switzerland, was led, even more deeply than Luther, into the truth of the excellence and authority of Scripture. Thus we find him copying all the epistles of Paul, the manuscript of which is still preserved at Zurich. Calvin was to learn by soul-experience the doctrine of salvation by free and sovereign grace—the truth that formed the substance of his teaching through life. These three essential principles we may call the body, soul, and spirit of