Romans 3:3

Cyprian Epistle LIV "For what," he says, "if some of them have departed from the faith? Hath their unbelief made the faith of God of none effect? God forbid! For God is true, but every man a liar."[33]

Cyprian Epistle LXVII

Nor does the perfidy of others press down the Christian faith into ruin, but rather stimulates and exalts it to glory, according to what the blessed Apostle Paul exhorts, and says: "For what if some of these have fallen from their faith: hath their unbelief made the faith of God of none effect? God forbid. For God is true, but every man a liar."[30]

Cyprian Epistle LXVIII

Nor does the Lord, the protector of His people, and their guardian, suffer the wheat to be snatched from His floor; but the chaff alone can be separated from the Church, since also the apostle says, "For what if some of them have departed from the faith? shall their unbelief make the faith of God of none effect? God forbid; for God is true, but every man a liar."[19]

Cyprian Treatise I On the Unity of the Church

The blessed Apostle Paul in his epistle speaks in this manner: "For what if some of them fall away from the faith, shall their unbelief make the faith of God without effect? God forbid: for God is true, though every man be a liar."[61]

Seventh Council of Carthage Under Cyprian

said: It does not disturb me if any man does not assert the faith and truth of the Church, since the apostle says, "For what if some of them have fallen away from the faith? Has their unbelief made the faith of God of no effect? By no means. For God is true, but every man a liar."[86]

The Second Epistle of Pope Callistus

of the Greek: but glory, honour, and peace, to every man that worketh good."[26]