It is generally assumed that Rom. xv. 23–8, when read in conjunction with I Cor. xvi. 5–9, puts beyond question both the occasion on which Romans was written and the priority of I Corinthians. But a comparative study of the two Epistles provides a body of evidence which cannot be reconciled with this assumption, for it would seem to imply the priority of Romans in a chronological relationship with the Corinthians letter that is so close that the ink of the one could hardly have been dry before the amanuensis was engaged on the other.