St. John Chrysostom ca. 349-407
[W]hen you hear of grace, think not that the reward of resolve on our part is thereby cast aside; for he speaks of grace, not to disparage the labor of resolve on our part, but to undermine (ὑποτεμνόμενος, as piercing a thing inflated) the haughtiness of an insolent spirit (ἀ πονοίας). Do not thou then, because that Paul has called this a gift of grace, grow supine. For he knows how, in his great candor, to call even well doings, graces; because even in these we need much influence from above. (Homily on Romans, Homily 2, v. 11)