Acts 15:5

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 21:21

21:21 They have been informed about you – that you teach all the Jews now living among the Gentiles to abandon Moses, telling them not to circumcise their children or live according to our customs.