Romans 2:28-29

For he is not a Jew who is one outwardly; neither is circumcision that which is outwardly in the flesh.

Colossians 2:11

in whom you are also circumcised with the circumcision made without hands, in putting off the body of depravity, in the circumcision of Christ;

James 4:6-7

and he gives more grace. Therefore he says, God resists the proud, and gives grace to the humble.

Treasury of Scripture Knowledge

Summary

Circumcise therefore the foreskin of your heart, and be no more stiffnecked.

Stiff-necked

Bible References

Stiff-necked

James 4:6
and he gives more grace. Therefore he says, God resists the proud, and gives grace to the humble.