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.
Cross-reference
Genesis 17:10-14 records God's covenant of circumcision with Abraham, which Jesus says predates Moses.
Leviticus 12:3 is the Mosaic law commanding circumcision on the eighth day, which Jesus acknowledges as given through Moses.
Genesis 17:12 specifies the eight-day rule for circumcision from Abraham, directly cited by Jesus as from the fathers.
Genesis 21:4 shows Abraham circumcising Isaac at eight days, fulfilling the patriarchal command Jesus references.
Matthew 12:5 parallels Jesus' logic: temple work overrides Sabbath, just as circumcision does here.
Acts 15:1 shows the Judaizing demand for circumcision as necessary for salvation, contrasting with Jesus' critique of legalism here where circumcision is traced to patriarchs.
Romans 4:9-11 explains Abraham's circumcision was a seal of faith, reinforcing that it originated before the law.
Galatians 3:17 emphasizes the Abrahamic covenant predates the law by 430 years, echoing Jesus' point about circumcision's origin.
Acts 7:8 recounts God giving circumcision as a covenant to Abraham, echoing Jesus' statement about its patriarchal origin.