John 7:22

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.

Leviticus 12:3

And in the eighth day the flesh of his foreskin shall be circumcised.

Genesis 17:10-14

This shall be my covenant, which ye shall keep between me and you and thy seed after thee: Every male among you shall be circumcised.

Romans 4:9-11

Is this blessedness, therefore, only upon the circumcision or also upon the uncircumcision? for we say that faith was reckoned to Abraham as righteousness.

Galatians 3:17

And this I say that regarding the covenant, that was confirmed before of God in Christ, the law, which was four hundred and thirty years after, cannot cancel it, that it should 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.

Bible References

Circumcision

Genesis 17:10
This shall be my covenant, which ye shall keep between me and you and thy seed after thee: Every male among you shall be circumcised.
Leviticus 12:3
And in the eighth day the flesh of his foreskin shall be circumcised.
Romans 4:9
Is this blessedness, therefore, only upon the circumcision or also upon the uncircumcision? for we say that faith was reckoned to Abraham as righteousness.
Galatians 3:17
And this I say that regarding the covenant, that was confirmed before of God in Christ, the law, which was four hundred and thirty years after, cannot cancel it, that it should make the promise of no effect.

General references

Genesis 21:4
And Abraham circumcised his son Isaac being eight days old as God had commanded him.
Leviticus 12:3
And in the eighth day the flesh of his foreskin shall be circumcised.
John 9:14
And it was the sabbath day when Jesus had made the clay and had opened his eyes.