Acts 11:2
and when Peter returned to Jerusalem, the advocates of circumcision took him to task,
Acts 10:45
The Jewish believers who had come with Peter were amazed because the gift of the holy Spirit had been showered upon the heathen too,
Acts 10:9
The next day, while they were still on their way, and were just getting near the town, Peter went up on the housetop about noon to pray.
Acts 15:1
Some people came down from Judea and began to teach the brothers that unless they were circumcised as Moses prescribed, they could not be saved.
Acts 15:5
But some members of the Pharisees' party who had become believers got up and said that such converts ought to be circumcised and told to obey the Law of Moses.
Acts 21:20-23
They praised God when they heard it, and they said to him, "You see, brother, how many thousand believers there are among the Jews, all of them zealous upholders of the Law.
Galatians 2:12-14
For until some people came from James, he used to eat with the heathen, but after they came, he began to draw back and hold aloof, for fear of the party of circumcision.