Deuteronomy 10:16

16Circumcise therefore athe foreskin of your heart, and be no longer bstubborn.

Deuteronomy 30:6

6And cthe Lord your God will circumcise your heart and the heart of your offspring, dso that you will love the Lord your God with all your heart and with all your soul, that you may live.

Jeremiah 4:4

4 eCircumcise yourselves to the Lord;
remove the foreskin of your hearts,
O men of Judah and inhabitants of Jerusalem;
flest my wrath go forth like fire,
and burn with none to quench it,
gbecause of the evil of your deeds.”

Romans 2:29

29But a Jew is one hinwardly, and icircumcision is a matter of the heart, by the Spirit, not by the letter. jHis praise is not from man but from God.

Philippians 3:3

3For kwe are the circumcision, lwho worship mby the Spirit of God
Some manuscripts God in spirit
and oglory in Christ Jesus and put no confidence in the flesh
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