Philippians 3:1-4 - Warning Against Evil Workers
1 Finally, my brethren, rejoice in the Lord. To write the same things to you, to me indeed is not irksome, but for you it is safe.
2 Beware of the dogs, beware of the evil workers, beware of the concision: 3 for we are the circumcision, who worship by the Spirit of God, and glory in Christ Jesus, and have no confidence in the flesh: 4 though I myself might have confidence even in the flesh: if any other man thinketh to have confidence in the flesh, I yet more: