TSK · Joshua 5:2

This is my covenant, which you shall keep, between me and you and your seed after you. Every male among you shall be circumcised.

Circumcise therefore the foreskin of your heart, and be no more stiff-necked.

but he is a Jew who is one inwardly, and circumcision is that of the heart, in the spirit not in the letter; whose praise is not from men, but from God.

in whom you were also circumcised with a circumcision not made with hands, in the putting off of the body of the sins of the flesh, in the circumcision of Christ;