John 7:22

Moses gave you circumcision, (not that it is of Moses, but of the fathers) and ye circumcise a man on the sabbath.

Romans 4:9-11

Cometh this happiness then on the circumcision only, or on the uncircumcision also? For we say that faith was imputed to Abraham for righteousness.

Galatians 3:17

And this I say, the covenant which was before confirmed of God through Christ, the law which was four hundred and thirty years after, doth not disannul, so as to make the promise of no effect.

Treasury of Scripture Knowledge

Summary

Moses therefore gave unto you circumcision; (not because it is of Moses, but of the fathers;) and ye on the sabbath day circumcise a man.

Circumcision

General references

Bible References

Circumcision

Romans 4:9
Cometh this happiness then on the circumcision only, or on the uncircumcision also? For we say that faith was imputed to Abraham for righteousness.
Galatians 3:17
And this I say, the covenant which was before confirmed of God through Christ, the law which was four hundred and thirty years after, doth not disannul, so as to make the promise of no effect.

General references

John 9:14
(It was the sabbath, when Jesus made the clay and opened his eyes.)