Romans 4:10

how was it then accounted? whilst he was circumcised, or uncircumcised? he was not then circumcised, but uncircumcised:

1 Corinthians 7:18-19

does a Jew turn Christian? let him not pretend to be uncircumcised: does a Gentile turn Christian? let him not become circumcised.

Galatians 5:6

for in the christian-dispensation, neither circumcision avails any thing, nor uncircumcision, but an active benevolent faith.

Galatians 6:15

for in the dispensation of Jesus Christ, neither circumcision availeth any thing, nor uncircumcision, but the new creation.

Treasury of Scripture Knowledge

Summary

How was it then reckoned? when he was in circumcision, or in uncircumcision? Not in circumcision, but in uncircumcision.

Bible References

Not in circumcision

1 Corinthians 7:18
does a Jew turn Christian? let him not pretend to be uncircumcised: does a Gentile turn Christian? let him not become circumcised.
Galatians 5:6
for in the christian-dispensation, neither circumcision avails any thing, nor uncircumcision, but an active benevolent faith.
Galatians 6:15
for in the dispensation of Jesus Christ, neither circumcision availeth any thing, nor uncircumcision, but the new creation.