Acts 11:2
So when Peter went up to Jerusalem, the circumcised believers took issue with him,
Acts 10:45
The circumcised believers who had accompanied Peter were greatly astonished that the gift of the Holy Spirit had been poured out even on the Gentiles,
Acts 10:9
About noon the next day, while they were on their way and approaching the city, Peter went up on the roof to pray.
Acts 15:1
Now some men came down from Judea and began to teach the brothers, "Unless you are circumcised according to the custom of Moses, you cannot be saved."
Acts 15:5
But some from the religious party of the Pharisees who had believed stood up and said, "It is necessary to circumcise the Gentiles and to order them to observe the law of Moses."
Acts 21:20-23
When they heard this, they praised God. Then they said to him, "You see, brother, how many thousands of Jews there are who have believed, and they are all ardent observers of the law.
Galatians 2:12-14
Until certain people came from James, he had been eating with the Gentiles. But when they arrived, he stopped doing this and separated himself because he was afraid of those who were pro-circumcision.