Acts 21:20-23
21:20 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.
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.
21:22 What then should we do? They will no doubt hear that you have come.
21:23 So do what we tell you: We have four men who have taken a vow;