Circumcise in Deuteronomy
2 verses in Deuteronomy.
Deuteronomy 10:16Circumcise therefore the foreskin of your heart, and be no more stiffnecked.
Deuteronomy 30:6And the LORD thy God will circumcise thine heart, and the heart of thy seed, to love the LORD thy God with all thine heart, and with all thy soul, that thou mayest live.