11 In the same fashion he undertakes to defend against Jovinian, with precisely the same weapons, the Catholic doctrines of the virginal state, of perseverance, of abstinence, and of the merit of good works: In refuting his statements I shall rely especially on the testimony of Scripture, lest he should grumble and complain that he has been vanquished rather by my eloquence than by the truth.
Source: Spiritus Paraclitus (Vatican.va)