Clement of Rome

“ And the people making acclamations to him, as to a god, I stretched out my hands to heaven, with my mind, and besought God through the Lord Jesus to throw down this pestilent fellow, and to destroy the power of those demons that made use of the same for the seduction and perdition of men, to dash him against the ground, and bruise him, but not to kill him. ”

“ Further, some of them teach that men are not to marry, and must abstain from flesh and wine, affirming that marriage, and the begetting of children, and the eating of certain foods, are abominable; that so, as sober persons, they may make their wicked opinions to be received as worthy of belief. And some of them absolutely prohibit the eating of flesh, as being the flesh not of brute animals, but of creatures that have a rational soul, as though those that ventured to slay them would be charged with the crime of murder. ”

“ For God has taken away all the power and efficacy of His word, and such like visitations, from that people, and has transferred it to you, the converted of the Gentiles. For on this account the devil himself is very angry at the holy Church of God: he is removed to you, and has raised against you adversities, seditions, and reproaches, schisms, and heresies. ”

“ Who Were the Successors of Simon’s Impiety, and What Heresies They Set Up.
VIII. But when we went forth among the Gentiles to preach the word of life, then the devil wrought in the people to send after us false apostles to the corrupting of the word; and they sent forth one Cleobius, and joined him with Simon, and these became disciples to one Dositheus, whom they despising, put him down from the principality. Afterwards also others were the authors of absurd doctrines: Cerinthus, and Marcus, and Menander, and Basilides, and Saturnilus. ”

“ V. For those are most certainly to be avoided who blaspheme God. The greatest part of the ungodly, indeed, are ignorant of God; but these men, as fighters against God, are possessed with a wilful evil disposition, as with a disease. ”

“ And many left him; but some who were worthy of perdition continued in his wicked doctrine. And after this manner the most atheistical heresy of the Simonians was first established in Rome; and the devil wrought by the rest of the false apostles [26] also.
How the Heresies Differ from Each Other, and from the Truth.
X. Now all these had one and the same design of atheism, to blaspheme Almighty God, to spread their doctrine that He is an unknown being, and not the Father of Christ, nor the Creator of the world; but one who cannot be spoken of, ineffable, not to be named, and begotten by Himself ”