Romans 2:28-29
For the true Jew is not the man who is simply a Jew outwardly, and true circumcision is not that which is outward and bodily.
Colossians 2:11
In Him also you were circumcised with a circumcision not performed by hand, when you threw off your sinful nature in true Christian circumcision;
James 4:6-7
But He gives more abundant grace, as is implied in His saying, "God sets Himself against the haughty, but to the lowly He gives grace."
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
But He gives more abundant grace, as is implied in His saying, "God sets Himself against the haughty, but to the lowly He gives grace."