John 7:22

Moses therefore gave you circumcision (not that it is from Moses, but from the fathers), and you circumcise a man on the Sabbath.

Romans 4:9-11

Is this blessedness only upon the circumcised, or also upon the uncircumcised? For we say that faith was reckoned to Abraham as righteousness.

Galatians 3:17

What I mean is this: the Law, which came four hundred and thirty years later, does not invalidate a covenant previously ratified by God, so as to nullify the promise.

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
Is this blessedness only upon the circumcised, or also upon the uncircumcised? For we say that faith was reckoned to Abraham as righteousness.
Galatians 3:17
What I mean is this: the Law, which came four hundred and thirty years later, does not invalidate a covenant previously ratified by God, so as to nullify the promise.

General references

John 9:14
Now it was a Sabbath day when Jesus made the clay and opened his eyes.