Instituted by God as a sign of His covenant with the people of Israel. Gen.17:9-14
God requires Israel to fear Him, walk in His ways, love and serve Him with heart and soul, keeping His commandments. They were to be circumcised in the foreskin of their hearts and not be stiff necked (stubborn) against Him. Deut. 10:12-17
Obeying the laws of God is more important than being circumcised in determining salvation.
Is no longer required, one way or the other as in the old testament. What is important is obeying God’s commandments & having faith in Christ & his love. 1Cor.7:18-19, Gal.5:2-6, 6:15 Circumcision is only keeping God’s commandments. Let each man live by the way that he was called. 1Cor.7:19-20
Christ symbolically circumcises those who are His by causing them to put off the body of sins of the flesh. Colossians 2:11-12
Circumcision described as a physical sign of a new creation (changed person) (similar to Baptism) Galatians 6:15