John Gill - Exposition
John Gill
Therefore watch,.... Meaning both over themselves, and the flock; to prevent, if possible, false teachers entering in, and to nip the buds of heresy and schism, as soon as they appear, and to preserve themselves, and the church, from being carried away with the error of the wicked. And remember that by the space of three years; reckoning from his first coming to Ephesus, unto this time, that he...