Luke 2:21

The eighth day, when the child was to be circumcised, being come, he was named Jesus, the name, which the angel had given before his conception.

Luke 1:59

and on the eighth day were present at the circumcision of the child. but upon their proposing to call him by his father's name, Zacharias: his mother objected to it,

Philippians 3:5

being circumcised the eighth day, of the family of Israel, of the tribe of Benjamin, an Hebrew by descent, by sect a Pharisee.

John 7:22-23

Moses enjoin'd you circumcision (or rather not Moses, but the patriarchs) accordingly you circumcise a man on the sabbath-day.

Acts 7:8

at length he gave him the covenant of circumcision: accordingly Abraham circumcised his son Isaac eight days after he was born, Isaac was father of Jacob, who was father of the twelve patriarchs.

Romans 2:28

for it is not the Jew in outward appearance, neither is it the external mark of circumcision:

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