Acts 21:24

take them and be purified with them, and pay their expenses, that they may shave their heads, and all will know that the information which they have of you is not correct, but that you walk also yourself keeping the law.

Acts 21:26

Then Paul taking the men, on the following day being purified with them went into the temple, announcing the completion of the days of purification till an offering should be offered for each one of them.

Acts 24:18

in which certain Jews from Asia found me purified in the temple, not with a multitude, nor with a tumult,

Acts 18:18

And Paul having remained yet many days took leave of the brothers, and sailed to Syria; and Priscilla was with him, and Aquila, having shaved his head at Cenchrea; for he had a vow.

John 3:25

Then there was a controversy of the disciples of John with a Jew concerning purification.

John 11:55

And the passover of the Jews was nigh, and many went up from the country to Jerusalem, before the passover, to purify themselves.

1 Corinthians 9:20

to the Jews I have been as a Jew, that I might gain the Jews; to those under the law, as under the law, not being myself under the law, that I might gain those under the law;

Galatians 2:12

For before some came from James he eat with the gentiles; but when they came, he withdrew and separated himself; fearing those of the circumcision;

Hebrews 9:10-14

only in meats and drinks and different baptisms, and external ordinances, imposed till the time of reformation.

Treasury of Scripture Knowledge

Summary

Them take, and purify thyself with them, and be at charges with them, that they may shave their heads: and all may know that those things, whereof they were informed concerning thee, are nothing; but that thou thyself also walkest orderly, and keepest the law.

That they

General references

Bible References

And purify

Acts 21:26
Then Paul taking the men, on the following day being purified with them went into the temple, announcing the completion of the days of purification till an offering should be offered for each one of them.
Acts 24:18
in which certain Jews from Asia found me purified in the temple, not with a multitude, nor with a tumult,
John 3:25
Then there was a controversy of the disciples of John with a Jew concerning purification.
Hebrews 9:10
only in meats and drinks and different baptisms, and external ordinances, imposed till the time of reformation.

That they

Acts 18:18
And Paul having remained yet many days took leave of the brothers, and sailed to Syria; and Priscilla was with him, and Aquila, having shaved his head at Cenchrea; for he had a vow.

But

1 Corinthians 9:20
to the Jews I have been as a Jew, that I might gain the Jews; to those under the law, as under the law, not being myself under the law, that I might gain those under the law;
Galatians 2:12
For before some came from James he eat with the gentiles; but when they came, he withdrew and separated himself; fearing those of the circumcision;

General references

Mark 7:5
And the Pharisees and scribes asked, Why do not your disciples conform to the tradition of the elders; but eat bread with defiled hands?