St. Paul now begins to present the Gospel that he will preach in Rome. In doing this, he seeks not only to vindicate his apostolic authority by undercutting and refuting the Judaizers, who would deny that authority; he also seeks to impress his hearers with the depth of his knowledge of the Gospel, and so secure a warm welcome for himself when he comes. The Judaizers (his unseen opponents throughout this Epistle) tend to limit the Gospel
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