Deuteronomy 10:16

Therefore must ye circumcise the foreskin of your hearts, - and your necks, must ye stiffen no more.

Jeremiah 4:4

Circumcise yourselves unto Yahweh So shall ye remove the impurity of your heart, ye men of Judah and ye inhabitants of Jerusalem, - Lest mine indignation, go forth as fire, and burn and there be none to quench it, Because of the wickedness of your doings.

Deuteronomy 9:6

So then, thou must consider that, not for thine own righteousness, is Yahweh thy God giving unto thee this good land to possess it, - for a stiff-necked people, thou art.

Deuteronomy 30:6

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

Leviticus 26:41

I also, must needs go in opposition to them, and bring them into the land of their foes, - Save only that, if, even then, their uncircumcised heart shall be humbled, And, even then, they shall accept as a payment the punishment of their iniquity,

Romans 2:28-29

For, not he who is one in appearance, is a Jew, nor is, that which is such in appearance in flesh, circumcision;

Colossians 2:11

In whom, ye have also been circumcised with a circumcision not done by hand, in the despoiling of the body of flesh, in the circumcision of the Christ, -

Deuteronomy 9:13

And Yahweh spake unto me saying, - I have looked on this people, and lo! a stiff-necked people, it is.

Deuteronomy 31:27

For, I, know thy perverseness, and thy stiff neck, - lo! while I am yet alive with you to-day, ye are, quarrelling, with Yahweh, and how much more after my death?

Jeremiah 4:14

Wash from wickedness thy heart, O Jerusalem, That thou mayest be saved, - How long, shall lodge within thee thy wicked devices?

James 4:6-7

Howbeit he giveth, greater, favour. Wherefore it saith - God, against the haughty, arrayeth himself, Whereas, unto the lowly, he giveth favour.

Treasury of Scripture Knowledge

Summary

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

Bible References

Stiff-necked

Deuteronomy 9:6
So then, thou must consider that, not for thine own righteousness, is Yahweh thy God giving unto thee this good land to possess it, - for a stiff-necked people, thou art.
Deuteronomy 31:27
For, I, know thy perverseness, and thy stiff neck, - lo! while I am yet alive with you to-day, ye are, quarrelling, with Yahweh, and how much more after my death?
James 4:6
Howbeit he giveth, greater, favour. Wherefore it saith - God, against the haughty, arrayeth himself, Whereas, unto the lowly, he giveth favour.