Origen

“ But these things, which appear rather of a curious nature, and not level to the comprehension of the multitude, I have ventured to treat at such length; and now I shall only add, as becomes a Christian, one thing more, and shall then pass on to what follows. ”

“ The Jews say that the circumcision performed on the eighth day is the principal circumcision, and that which is performed according to circumstances is different; and probably it was performed on account of the hostility of some angel towards the Jewish nation, who had the power to injure such of them as were not circumcised, but was powerless against those who had undergone the rite. ”