Acts 21:24

21:24 take them and purify yourself along with them and pay their expenses, so that they may have their heads shaved. Then everyone will know there is nothing in what they have been told about you, but that you yourself live in conformity with the law.

Acts 28:23

28:23 They set a day to meet with him, and they came to him where he was staying in even greater numbers. From morning until evening he explained things to them, testifying about the kingdom of God and trying to convince them about Jesus from both the law of Moses and the prophets.