Galatians 5:3

I again declare to every one who receives circumcision, that he binds himself to obey the whole Law.

Luke 16:28

For I have five brothers to warn them, so that they may not come to this place of torture also.'

Galatians 3:10

All who rely upon obedience to Law are under a curse, for Scripture says--'Cursed is every one who does not abide by all that is written in the Book of the Law, and do it.'

Matthew 23:16

Alas for you, you blind guides! You say 'if any answer by the Temple, his oath counts for nothing; but, if any one swears by the gold of the Temple, his oath is binding him'!

Matthew 23:18

You say, too, 'If any one swears by the altar, his oath counts for nothing, but, if any one swears by the offering placed on it, his oath is binding on him'!

Acts 2:40

With many other words Peter enforced his teaching, while the burden of his exhortations was--"Save yourselves from the perverse spirit of this age."

Acts 20:21

I earnestly pointed both Jews and Greeks to the repentance that leads to God, and to faith in Jesus, our Lord.

Romans 2:25

Circumcision has its value, if you are obeying the Law. But, if you are a breaker of the Law, your circumcision is no better than uncircumcision.

Ephesians 4:17

This, then, as one in union with the Lord, I say to you and urge upon you: Do not continue to live such purposeless lives as the Gentiles live,

1 Thessalonians 4:6

None of you over-reaching or taking advantage of his Brother in such matters. 'The Lord takes vengeance' upon all who do such things, as we have already warned you and solemnly declared.

James 2:10-11

For a man who has laid the Law, as a whole, to heart, but has failed in one particular, is liable for breaking all its provisions.

1 John 4:14

Moreover, our eyes have seen--and we are testifying to the fact--that the Father has sent the Son to be the Savior of the world.

Treasury of Scripture Knowledge

Summary

For I testify again to every man that is circumcised, that he is a debtor to do the whole law.

Bible References

Testify

Luke 16:28
For I have five brothers to warn them, so that they may not come to this place of torture also.'
Acts 2:40
With many other words Peter enforced his teaching, while the burden of his exhortations was--"Save yourselves from the perverse spirit of this age."
Acts 20:21
I earnestly pointed both Jews and Greeks to the repentance that leads to God, and to faith in Jesus, our Lord.
Ephesians 4:17
This, then, as one in union with the Lord, I say to you and urge upon you: Do not continue to live such purposeless lives as the Gentiles live,
1 Thessalonians 4:6
None of you over-reaching or taking advantage of his Brother in such matters. 'The Lord takes vengeance' upon all who do such things, as we have already warned you and solemnly declared.
1 John 4:14
Moreover, our eyes have seen--and we are testifying to the fact--that the Father has sent the Son to be the Savior of the world.

A debtor

Galatians 3:10
All who rely upon obedience to Law are under a curse, for Scripture says--'Cursed is every one who does not abide by all that is written in the Book of the Law, and do it.'
Matthew 23:16
Alas for you, you blind guides! You say 'if any answer by the Temple, his oath counts for nothing; but, if any one swears by the gold of the Temple, his oath is binding him'!

General references

Luke 5:38
But new wine must be put into fresh skins.
Galatians 2:3
Yet even my companion, Titus, though a Greek, was not compelled to be circumcised.
Philippians 3:7
But all the things which I once held to be gains I have now, for the Christ's sake, come to count as loss.