Acts 21:23

19 Paul greeted them and recounted one by one the things that God had done among the Gentiles through his ministry.

20 When they heard this, they glorified God. Then they said to Paul, “You see, brother, how many thousands of Jews have believed, and all of them are zealous for the law.

21 But they are under the impression that you teach all the Jews who live among the Gentiles to forsake Moses, telling them not to circumcise their children or observe our customs.

22 What then should we do? They will certainly hear that you have come.

23 Therefore do what we advise you. There are four men with us who have taken a vow.

24 Take these men, purify yourself along with them, and pay their expenses so they can have their heads shaved. Then everyone will know that there is no truth to these rumors about you, but that you also live in obedience to the law.

25 As for the Gentile believers, we have written to them our decision that they must abstain from food sacrificed to idols, from blood, from the meat of strangled animals, and from sexual immorality.”

26 So the next day Paul took the men and purified himself along with them. Then he entered the temple to give notice of the date when their purification would be complete and the offering would be made for each of them.

27 When the seven days were almost over, some Jews from the province of Asia saw Paul at the temple. They stirred up the whole crowd and seized him,

Read all of Acts 21