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.

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,

Acts 18:18

And Paul, after waiting some days, went away from the brothers and went by ship to Syria, Priscilla and Aquila being with him; and he had had his hair cut off in Cenchrea, for he had taken an oath.

Exodus 19:10

And the Lord said to Moses, Go to the people and make them holy today and tomorrow, and let their clothing be washed.

Exodus 19:14

Then Moses went down from the mountain to the people, and made the people holy; and their clothing was washed.

Numbers 6:5

All the time he is under his oath let no blade come near his head; till the days while he is separate are ended he is holy and his hair may not be cut.

Numbers 6:9

If death comes suddenly to a man at his side, so that he becomes unclean, let his hair be cut off on the day when he is made clean, on the seventh day.

Numbers 6:13

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,

Numbers 6:18

Then let his long hair, the sign of his oath, be cut off at the door of the Tent of meeting, and let him put it on the fire on which the peace-offerings are burning.

Numbers 19:17-22

And for the unclean, they are to take the dust of the burning of the sin-offering, and put flowing water on it in a vessel:

Judges 13:5

For you are with child and will give birth to a son; his hair is never to be cut, for the child is to be separate to God from his birth; and he will take up the work of freeing Israel from the hands of the Philistines.

Judges 16:17-19

And opening all his heart to her, he said to her, My head has never been touched by a blade, for I have been separate to God from the day of my birth: if my hair is cut off, then my strength will go from me and I will become feeble, and will be like any other man.

2 Chronicles 30:18-19

For a great number of the people from Ephraim and Manasseh, Issachar and Zebulun, had not made themselves clean, but they took the Passover meal, though not in the right way. For Hezekiah had made prayer for them, saying, May the good Lord have mercy on everyone

Job 1:5

And at the end of their days of feasting, Job sent and made them clean, getting up early in the morning and offering burned offerings for them all. For, Job said, It may be that my sons have done wrong and said evil of God in their hearts. And Job did this whenever the feasts came round.

Job 41:25

When he gets ready for the fight, the strong are overcome with fear.

John 3:25

Then a question came up between John's disciples and a Jew about washing.

John 11:55

Now the Passover of the Jews was near, and numbers of people went up from the country to Jerusalem to make themselves clean before the Passover.

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.

Galatians 2:12

For before certain men came from James, he did take food with the Gentiles: but when they came, he went back and made himself separate, fearing those who were of the circumcision.

Hebrews 9:10-14

Because they are only rules of the flesh, of meats and drinks and washings, which have their place till the time comes when things will be put right.

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.

General references

Bible References

And purify

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,
Exodus 19:10
And the Lord said to Moses, Go to the people and make them holy today and tomorrow, and let their clothing be washed.
Numbers 19:17
And for the unclean, they are to take the dust of the burning of the sin-offering, and put flowing water on it in a vessel:
2 Chronicles 30:18
For a great number of the people from Ephraim and Manasseh, Issachar and Zebulun, had not made themselves clean, but they took the Passover meal, though not in the right way. For Hezekiah had made prayer for them, saying, May the good Lord have mercy on everyone
Job 1:5
And at the end of their days of feasting, Job sent and made them clean, getting up early in the morning and offering burned offerings for them all. For, Job said, It may be that my sons have done wrong and said evil of God in their hearts. And Job did this whenever the feasts came round.
Job 41:25
When he gets ready for the fight, the strong are overcome with fear.
John 3:25
Then a question came up between John's disciples and a Jew about washing.
Hebrews 9:10
Because they are only rules of the flesh, of meats and drinks and washings, which have their place till the time comes when things will be put right.

That they

Acts 18:18
And Paul, after waiting some days, went away from the brothers and went by ship to Syria, Priscilla and Aquila being with him; and he had had his hair cut off in Cenchrea, for he had taken an oath.
Numbers 6:5
All the time he is under his oath let no blade come near his head; till the days while he is separate are ended he is holy and his hair may not be cut.
Judges 13:5
For you are with child and will give birth to a son; his hair is never to be cut, for the child is to be separate to God from his birth; and he will take up the work of freeing Israel from the hands of the Philistines.
Judges 16:17
And opening all his heart to her, he said to her, My head has never been touched by a blade, for I have been separate to God from the day of my birth: if my hair is cut off, then my strength will go from me and I will become feeble, and will be like any other man.

But

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.
Galatians 2:12
For before certain men came from James, he did take food with the Gentiles: but when they came, he went back and made himself separate, fearing those who were of the circumcision.

General references

Mark 7:5
And the Pharisees and the scribes put the question to him, Why do your disciples not keep the rules of the fathers, but take their bread with unwashed hands?

Basic English, produced by Mr C. K. Ogden of the Orthological Institute - public domain