Epistle of Ignatius to Polycarp Let not those who seem worthy of credit, but teach strange doctrines,[18] Let not those who seem worthy of credit, but teach strange doctrines,[20] Clement of Alexandria Stromata Book I ) about questions and strifes of words, whereof cometh contention, envy, railings, evil surmisings, perverse disputings of men of corrupt minds, destitute of the truth."[89] Tertullian The Prescription Against Heretics to the apostle, who forbids us to enter on "questions," or to lend our ears to new-fangled statements,[181] Cyprian Epistle XXXIX The apostle instructs us, saying, "If any man teach otherwise, and consent not to the wholesome words of our Lord Jesus Christ and His doctrine, he is lifted up with foolishness: from such withdraw thyself."[13] Cyprian Epistle LXXIII Mindful of which precept, the blessed Apostle Paul himself also warns and instructs, saying, "If any man teach otherwise, and consent not to the wholesome words of our Lord Jesus Christ, and to His doctrine, he is proud, knowing nothing: from such withdraw thyself."[9] Alexander Epistles on the Arian Heresy And also, "If any man teach otherwise, and consent not to the wholesome words of our Lord Jesus Christ, and to the doctrine which is according to godliness; he is proud, knowing nothing,"[41]