Joshua 5:2
At that time said Jehovah unto Joshua, 'Make for thee knives of flint, and turn back, circumcise the sons of Israel a second time;'
Exodus 4:25
and Zipporah taketh a flint, and cutteth off the foreskin of her son, and causeth it to touch his feet, and saith, 'Surely a bridegroom of blood art thou to me;'
Genesis 17:10-14
this is My covenant which ye keep between Me and you, and thy seed after thee: Every male of you is to be circumcised;
Deuteronomy 10:16
and ye have circumcised the foreskin of your heart, and your neck ye do not harden any more;
Deuteronomy 30:6
'And Jehovah thy God hath circumcised thy heart, and the heart of thy seed, to love Jehovah thy God with all thy heart, and with all thy soul, for the sake of thy life;
Romans 2:29
but a Jew is he who is so inwardly, and circumcision is of the heart, in spirit, not in letter, of which the praise is not of men, but of God.
Romans 4:11
and a sign he did receive of circumcision, a seal of the righteousness of the faith in the uncircumcision, for his being father of all those believing through uncircumcision, for the righteousness also being reckoned to them,
Colossians 2:11
in whom also ye were 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 the Christ,