Circumcise yourselves to the LORD, and take away the foreskins of your heart, you men of Judah and inhabitants of Jerusalem: lest my fury come forth like fire, and burn that none can quench it, because of the evil of your doings.
All Commentaries on Jeremiah 4:4 Go To Jeremiah 4
Didascalia Apostolorum
AD 230
Circumcision of the heart is sufficient for the faithful. It is spiritual, as he said by Jeremiah; light a lamp and “sow not among thorns. Circumcise yourselves to the Lord. Remove the foreskin of your hearts,