Deuteronomy 10:16

Circumcise therefore the foreskin of your heart, and be no more stiff-necked.

Jeremiah 4:4

Circumcise yourselves to the LORD, and take away the foreskins of your heart, ye 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.

Deuteronomy 9:6

Understand therefore, that the LORD thy God giveth thee not this good land to possess it for thy righteousness; for thou art a stiff-necked people.

Deuteronomy 30:6

And the LORD thy God will circumcise thy heart, and the heart of thy seed, to love the LORD thy God with all thy heart, and with all thy soul, that thou mayest live.

Leviticus 26:41

And that I also have walked contrary to them, and have brought them into the land of their enemies; if then their uncircumcised hearts shall be humbled, and they then accept of the punishment of their iniquity:

Romans 2:28-29

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

Colossians 2:11

In whom also ye are circumcised with the circumcision made without hands, in putting off the body of the sins of the flesh by the circumcision of Christ:

Deuteronomy 9:13

Furthermore, the LORD spoke to me, saying, I have seen this people, and behold, it is a stiff-necked people:

Deuteronomy 31:27

For I know thy rebellion, and thy stiff neck: behold, while I am yet alive with you this day, ye have been rebellious against the LORD; and how much more after my death?

Jeremiah 4:14

O Jerusalem, wash thy heart from wickedness, that thou mayest be saved. How long shall thy vain thoughts lodge within thee?

James 4:6-7

But he giveth more grace. Wherefore he saith, God resisteth the proud, but giveth grace to the humble.

Treasury of Scripture Knowledge

Summary

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

Bible References

Stiff-necked

Deuteronomy 9:6
Understand therefore, that the LORD thy God giveth thee not this good land to possess it for thy righteousness; for thou art a stiff-necked people.
Deuteronomy 31:27
For I know thy rebellion, and thy stiff neck: behold, while I am yet alive with you this day, ye have been rebellious against the LORD; and how much more after my death?
James 4:6
But he giveth more grace. Wherefore he saith, God resisteth the proud, but giveth grace to the humble.