Acts 21:24

and join in their expences, that they may shave their head: and that all may know, that there is nothing in what they have heard of thee; but thou thyself walkest according to the law.

Acts 21:26

Then Paul took the men, and the next day being purified with them entered into the temple to signify the accomplishment of the days of purification till an offering should be offered for every one of them.

Acts 24:18

Upon which some Jews from Asia found me purified in the temple, neither with multitude nor with tumult:

Acts 18:18

And after Paul had staid there yet a considerable time, he took leave of the brethren, and sailed from thence to Syria, and with him Priscilla and Aquila, after he had shaved his head at Cenchrea; for he had a vow.

John 3:25

Now there arose a dispute between some of the disciples of John, and the Jews, about purifying.

John 11:55

Now the passover of the Jews was near; and many went up to Jerusalem out of the country, before the passover, to purify themselves.

1 Corinthians 9:20

And to the Jews I became as a Jew, that I might gain the Jews; that is, to those, who are under the law, as under the law, that I might gain those who are under the law:

Galatians 2:12

For before certain men came from James, he did eat with the gentiles; but when they were come, he withdrew and separated himself, fearing those of the circumcision.

Hebrews 9:10-14

relating only to meats and drinks, and different washings, and such carnal ordinances as were required 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 took the men, and the next day being purified with them entered into the temple to signify the accomplishment of the days of purification till an offering should be offered for every one of them.
Acts 24:18
Upon which some Jews from Asia found me purified in the temple, neither with multitude nor with tumult:
John 3:25
Now there arose a dispute between some of the disciples of John, and the Jews, about purifying.
Hebrews 9:10
relating only to meats and drinks, and different washings, and such carnal ordinances as were required till the time of reformation.

That they

Acts 18:18
And after Paul had staid there yet a considerable time, he took leave of the brethren, and sailed from thence to Syria, and with him Priscilla and Aquila, after he had shaved his head at Cenchrea; for he had a vow.

But

1 Corinthians 9:20
And to the Jews I became as a Jew, that I might gain the Jews; that is, to those, who are under the law, as under the law, that I might gain those who are under the law:
Galatians 2:12
For before certain men came from James, he did eat with the gentiles; but when they were come, he withdrew and separated himself, fearing those of the circumcision.

General references

Mark 7:5
Then the pharisees and the scribes ask Him, Why do not thy disciples walk according to the tradition of the ancients, but eat without washing their hands?