Deuteronomy 10:16

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

Jeremiah 4:4

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

Jeremiah 9:25-26

25Behold, the days are coming, declares the Lord, when fI will punish all those who are circumcised merely in the flesh 26 gEgypt, Judah, Edom, the sons of Ammon, Moab, and hall who dwell in the desert who cut the corners of their hair, for all these nations are uncircumcised, and all the house of Israel are iuncircumcised in heart.”

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