Webster(i)
28 For he is not a Jew, who is one outwardly; neither is that circumcision, which is outward in the flesh:
29 But he is a Jew who is one inwardly; and circumcision is that of the heart, in the spirit, and not in the letter; whose praise is not from men, but from God.
3 1 What advantage then hath the Jew? or what profit is there of circumcision?
2 Much every way: chiefly, because that to them were committed the oracles of God.