Tertullian
Patristic
c. A.D. 150–220
“To be sure, an amender of that Gospel, which had been all topsy-turvy from the days of Tiberius to those of Antoninus, first presented himself in Marcion alone-so long looked for by Christ, who was all along regretting that he had been in so great a hurry to send out his apostles without the support of Marcion! But for all that, heresy, which is for ever mending the Gospels, and corrupting them in the act, is an affair of man's audacity, not of God's authority; and if Marcion be even a disciple, he is yet not "above his master; " if Marcion be an apostle, still as Paul says, "Whether it be I or they, so we preach; " if Marcion be a prophet, even "the spirits of the prophets will be subject to the prophets," for they are not the authors of confusion, but of peace; or if Marcion be actually an angel, he must rather be designated "as anathema than as a preacher of the gospel," because it is a strange gospel which he has preached.”