Philippians 3:1-4 - Warning Against Evil Workers
1 For the rest, my brothers, be glad in the Lord. Writing the same things to you is no trouble to me, and for you it is safe.
2 Be on the watch against dogs, against the workers of evil, against those of the circumcision: 3 For we are the circumcision, who give worship to God and have glory in Jesus Christ, and have no faith in the flesh: 4 Even though I myself might have faith in the flesh: if any other man has reason to have faith in the flesh, I have more: