Galatians 5:3

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

Luke 16:28

for I have five brethren; that he may testify unto them, lest they also come into this place of torment.

Galatians 3:10

For as many as are of the works of the law are under the curse; for it is written, Cursed is every one that continues not in all things which are written in the book of the law to do them.

Deuteronomy 8:19

And it shall be, if thou do at all forget the LORD thy God and walk after other gods and serve them and worship them, I protest against you this day that ye shall surely perish.

Deuteronomy 27:26

Cursed is he that does not confirm all the words of this law to do them. And all the people shall say, Amen.

Deuteronomy 31:21

And it shall come to pass when many evils and troubles are befallen them, that this song shall reply to them in their face as a witness, for it shall not be forgotten out of the mouths of their seed; for I know their imagination which they go about, even now, before I have brought them into the land which I swore.

Nehemiah 9:29-30

and didst protest unto them, that they return unto thy law; yet they dealt proudly and did not hearken unto thy commandments, but sinned against thy judgments (which if a man shall do, in them he shall live) and withdrew the shoulder and hardened their neck and would not hear.

Nehemiah 9:34

neither have our kings, our princes, our priests, nor our fathers, kept thy law nor hearkened unto thy commandments and thy testimonies, with which thou didst testify against them.

Matthew 23:16

Woe unto you, ye blind guides, who say, Whosoever shall swear by the temple, it is nothing; but whosoever shall swear by the gold of the temple, he is a debtor!

Matthew 23:18

And, Whosoever shall swear by the altar, it is nothing; but whosoever swears by the gift that is upon it, he is a debtor.

Acts 2:40

And with many other words he testified and exhorted, saying, Be saved from this perverse generation.

Acts 20:21

testifying both to the Jews and also to the Gentiles, repentance toward God and faith toward our Lord Jesus Christ.

Romans 2:25

For circumcision verily profits if thou keep the law, but if thou art a rebel to the law, thy circumcision is made into a foreskin.

Ephesians 4:17

This I say, therefore, and require in the Lord that from now on ye not walk as the other Gentiles walk in the vanity of their own senses,

1 Thessalonians 4:6

that no one oppress and defraud his brother in any matter because the Lord is the avenger of all such, as we also have forewarned you and testified.

James 2:10-11

For whosoever shall have kept the whole law, and then offends in one point is made guilty of all.

1 John 4:14

And we have seen and do testify that the Father sent the Son to be the Saviour 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

Deuteronomy 8:19
And it shall be, if thou do at all forget the LORD thy God and walk after other gods and serve them and worship them, I protest against you this day that ye shall surely perish.
Deuteronomy 31:21
And it shall come to pass when many evils and troubles are befallen them, that this song shall reply to them in their face as a witness, for it shall not be forgotten out of the mouths of their seed; for I know their imagination which they go about, even now, before I have brought them into the land which I swore.
Nehemiah 9:29
and didst protest unto them, that they return unto thy law; yet they dealt proudly and did not hearken unto thy commandments, but sinned against thy judgments (which if a man shall do, in them he shall live) and withdrew the shoulder and hardened their neck and would not hear.
Luke 16:28
for I have five brethren; that he may testify unto them, lest they also come into this place of torment.
Acts 2:40
And with many other words he testified and exhorted, saying, Be saved from this perverse generation.
Acts 20:21
testifying both to the Jews and also to the Gentiles, repentance toward God and faith toward our Lord Jesus Christ.
Ephesians 4:17
This I say, therefore, and require in the Lord that from now on ye not walk as the other Gentiles walk in the vanity of their own senses,
1 Thessalonians 4:6
that no one oppress and defraud his brother in any matter because the Lord is the avenger of all such, as we also have forewarned you and testified.
1 John 4:14
And we have seen and do testify that the Father sent the Son to be the Saviour of the world.

A debtor

Galatians 3:10
For as many as are of the works of the law are under the curse; for it is written, Cursed is every one that continues not in all things which are written in the book of the law to do them.
Deuteronomy 27:26
Cursed is he that does not confirm all the words of this law to do them. And all the people shall say, Amen.
Matthew 23:16
Woe unto you, ye blind guides, who say, Whosoever shall swear by the temple, it is nothing; but whosoever shall swear by the gold of the temple, he is a debtor!

General references

Leviticus 12:3
And in the eighth day the flesh of his foreskin shall be circumcised.
Luke 5:38
But new wine must be put into new wineskins, and both are preserved.
Galatians 2:3
But not even Titus, who was with me, being a Greek, was compelled to be circumcised,
Philippians 3:7
But those things which were gain to me, I counted loss for Christ.