Which he had promised afore, &c.— The Apostle, it is likely, asserts this to insinuate a good idea of the Gospel into the mind of the Jews at first setting out, and to put them upon inquiring; for even an unbelieving Jew, if at all disposed to think, could not overlook or slightly regard this sentiment. Taylor.
Related Commentaries of Romans 1:2
Romans 1:2
2 (Which he had promised afore by his prophets in the holy scriptures,)