Acts 21:26
Then Paul took the men, and on the day after, making himself clean with them, he went into the Temple, giving out the statement that the days necessary for making them clean were complete, till the offering was made for every one of them.
Acts 24:18
And having been made clean, I was in the Temple, but not with a great number of people, and not with noise: but there were certain Jews from Asia,
Numbers 6:13-20
And this is the law for him who is separate, when the necessary days are ended: he is to come to the door of the Tent of meeting,
Acts 21:24
Go with these, and make yourself clean with them, and make the necessary payments for them, so that they may be free from their oath: and everyone will see that the statements made about you are not true, but that you put yourself under rule, and keep the law.
1 Corinthians 9:20
And to the Jews I was as a Jew, so that I might give the good news to them; to those under the law I was the same, not as being myself under the law, but so that I might give the good news to those under the law.