Acts 21:26
Then Paul took the men, and the following day being purified with them, he entered into the temple, declaring when the days of their purification would be completed, in order whereunto an oblation was to be offered for every one of them.
Acts 24:18
In the discharge of which offices certain Jews of Asia found me purified in the temple, neither with a multitude, nor with any tumult.
Acts 21:24
them take with thee, be purified with them, and be at the same expence as they, that they may shave their heads: and all men will know that there is no truth in the things reported of thee, but that thou thyself walkest orderly and observest the law.
1 Corinthians 9:20
And I became to the Jews as a Jew, that I might gain the Jews; to those under the law, as under the law, that I might gain those who are under the law;