Philippians 3:1-4 - Warning Against Evil Workers
1 Finally, my brethren, rejoice in the Lord. To write the same things to you indeed is not burdensome to me, but it is safe to you.
2 Beware of dogs, beware of the evil workers, beware of the counterfeit circumcision. 3 For we are the circumcision, who serve the Spirit of God, and boast in Christ Jesus, also having no confidence in the flesh: 4 even though also having confidence in the flesh. If any other one seems to have confidence in the flesh, I the more: