Romans

But Israel shall be saved in the Lord with an everlasting salvation: ye shall not be ashamed nor confounded world without end.

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.

For in Christ Jesus neither circumcision availeth any thing, nor uncircumcision, but a new creature.

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

Not as though the word of God hath taken none effect. For they are not all Israel, which are of Israel: