of comprehension. Both are the work of the Spirit of God. Yet, external clarity is necessarily entailed by God’s gracious choice to express himself within the normal and accessible conventions of human language. The words of the biblical text are not infinitely pliable. As Luther would later argue, even a heathen, a Jew, or a Turk could rightly explain what is being said at any particular point (WA 26.406.27–29 = LW 37.272). Internal clarity, it too a work of the Spirit, is necessary, because the
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