1 Corinthians 7:19
"Circumcision is nothing, and uncircumcision is nothing, but the keeping of the commandments of God."
Cross References (ranked by relevance)
For in Jesus Christ neither circumcision availeth any thing, nor uncircumcision; but faith which worketh by love.
For in Christ Jesus neither circumcision availeth any thing, nor uncircumcision, but a new creature.
Blessed are they that do his commandments, that they may have right to the tree of life, and may enter in through the gates into the city.
Where there is neither Greek nor Jew, circumcision nor uncircumcision, Barbarian, Scythian, bond nor free: but Christ is all, and in all.
Ye are my friends, if ye do whatsoever I command you.
Whosoever therefore shall break one of these least commandments, and shall teach men so, he shall be called the least in the kingdom of heaven: but whosoever shall do and teach them, the same shall be called great in the kingdom of heaven.
But meat commendeth us not to God: for neither, if we eat, are we the better; neither, if we eat not, are we the worse.
There is neither Jew nor Greek, there is neither bond nor free, there is neither male nor female: for ye are all one in Christ Jesus.
Seeing it is one God, which shall justify the circumcision by faith, and uncircumcision through faith.
And Samuel said, Hath the LORD as great delight in burnt offerings and sacrifices, as in obeying the voice of the LORD? Behold, to obey is better than sacrifice, and to hearken than the fat of rams.