"Behold, I am sending you forth like sheep in the midst of wolves. Therefore be as wise as serpents and innocent as doves.

But beware of men, for they will hand you over to councils and they will flog you in their synagogues.

Beware of the dogs, beware of the evil workers, beware of the [false] circumcision!

And in just the way Jannes and Jambres resisted Moses, thus also these resist the truth: men corrupted in mind, disapproved regarding the faith.