Romans 4:10
"How was it then reckoned? when he was in circumcision, or in uncircumcision? Not in circumcision, but in uncircumcision."
Cross References (ranked by relevance)
For in Christ Jesus neither circumcision availeth any thing, nor uncircumcision, but a new creature.
For in Jesus Christ neither circumcision availeth any thing, nor uncircumcision; but faith which worketh by love.
But in the fourth generation they shall come hither again: for the iniquity of the Amorites is not yet full.
This is my covenant, which ye shall keep, between me and you and thy seed after thee; Every man child among you shall be circumcised.
And when Abram was ninety years old and nine, the LORD appeared to Abram, and said unto him, I am the Almighty God; walk before me, and be thou perfect.