Marcionites and Montanists had also worked in the field.
He himself claims to have brought more than a thousand Marcionites within the pale of the church, and to have destroyed many copies of the Diatessaron of Tatian, which were still in ecclesiastical use; and he also exerted himself to improve the diocese, which was at once large and poor, by building bridges and aqueducts, beautifying the town, and by similar works.
Marcionites, named by Clement of Alexandria Antitactae (revolters against the Demiurge) held the Old Testament economy to be throughout tainted by its source; but they are not accused of licentiousness.
The same thing is seen from the fact that the heresy of the Marcionites was already showing itself in this district, for (in Tixeront's words) " heresies, in the first centuries at feast, only spread in already constituted Christian communities."
We learn further that Anicetus as a mark of special honour allowed Polycarp to celebrate the Eucharist in the church, and that many Marcionites and Valentinians were converted by him during his stay in Rome.
In its conflict with Gnostics, Marcionites and Montanists the Church was led to insist more and more upon its Bible, its own Bible, just as in its older controversy with the Jews it had to insist on the Bible which it inherited from them.
The Marcionites, the Ebionites, or Judaeo-Christians of Palestine, the Montanists of Phrygia, Africa and Galatia, the confessor Alcibiades of Lyons, c. A.D.
According to the Fihrist, Mani made use of the Persian and Syriac languages; but, like the Oriental Marcionites before him, he invented an alphabet of his own, which the Fihrist has handed down to us.
On the other hand, he looked upon what he considered to be Christianity proper - that is, Christianity as it had been developed among the sects of Basilidians, Marcionites, and perhaps Bardesanites, as a comparatively valuable and sound religion.
Its adherents were recruited on the one hand from the old gnostic sects (especially from the Marcionites - Manichaeism exerted besides this a strong influence on the development of the Marcionite churches of the 4th century), on the other hand from the large number of the "cultured," who were striving after a "rational" and yet in some manner Christian religion.
After having done battle with heathens, Jews, Marcionites, Gnostics, Monarchians, and the Catholics, he died an old man, carrying with him to the grave the last remains of primitive Christianity in the West, but at the same time in conflict with himself.
In this Baur attempts to prove that the false teachers mentioned in the Epistles to Timothy and Titus are the Gnostics, particularly the Marcionites, of the second century, and consequently that the Epistles were produced in the middle of this century in opposition to Gnosticism.
Such are the leading features of the rite in Tertullian, and they reappear in the 4th century in the rites of all the orthodox churches of East and West; Tertullian testifies that the Marcionites observed the particulars numbered one to six, which must therefore go back at least to the year 150.
Rigorous asceticism, the rejection of the Old Testament, and the recognition of the " new God " remained common to all Marcionites, who, moreover, like the Catholics, lived together in close communities ruled by bishops and presbyters (although their constitution was originally very loose, and sought to avoid every appearance of " legality ").
In the East also many Marcionites went over to the Manichaeans; but there they survived much longer.