21. Now they have been informed about you that you continually teach all the Jews who live among the Gentiles to turn back from and forsake Moses, advising them not to circumcise their children or pay any attention to the observance of the [Mosaic] customs.
22. What then [is best that] should be done? A multitude will come together, for they will surely hear that you have arrived.
23. Therefore do just what we tell you. With us are four men who have taken a vow upon themselves.
24. Take these men and purify yourself along with them and pay their expenses [for the temple offering], so that they may have their heads shaved. Thus everybody will know that there is no truth in what they have been told about you, but that you yourself walk in observance of the Law.