These evidences, then, of a stricter discipline existing among us, are an additional proof of truth, from which no man can safely turn aside, who bears in mind that future judgment, when “we must all stand before the judgment-seat of Christ,” to render an account of our faith itself before all things.
On the present occasion, indeed, our treatise has rather taken up a general position against heresies, (showing that they must) all be refuted on definite, equitable, and necessary rules, without any comparison with the Scriptures.
Tertullian
Against Marcion
The Prescription Against Heretics
Chapter XLIV