John 1:8

Tertullian The Prescription Against Heretics

and title of brotherhood, and bond[210]

Tertullian On Modesty

If we confess our sins, faithful and just is He to remit them to us, and utterly purify us from every unrighteousness."[243]

Cyprian Treatise IV On the Lord's Prayer

Thus, moreover, John also in his epistle warns us, and says, "If we say that we have no sin, we deceive ourselves, and the truth is not in us; but if we confess our sins, the Lord is faithful and just to forgive us our sins."[60]

Cyprian Treatise VIII On Works and Alms

And again, in his epistle, John lays it down, and says, "If we say that we have no sin, we deceive ourselves, and the truth is not in us."[10]

Cyprian Treatise XII Three Books of Testimonies Against the Jews

Also in the Epistle of John: "If we say that we have no sin, we deceive ourselves, and the truth is not in us."[644]

Gregory Thaumaturgus A Metaphrase of the Book of Ecclesiastes

Wisdom availeth more in the way of help than a band of the most powerful men in a city, and it often also pardons righteously those who fail in duty. For there is not one that stumbleth not.[50]

Genuine Acts of Peter of Alexandria

and another, "If we say we have no sin, we deceive ourselves, and the truth is not in us."[40]