Galatians 5:3

For I testify again to every man that is circumcised, that he is a debtor to do all the Law,

Luke 16:28

for I have five brothers, so that he may testify to them, lest they also come into this place of torment.

Galatians 3:10

For as many as are out of works of the Law, these are under a curse; for it is written, "Cursed is everyone who does not continue in all things which are written in the Book of the Law, to do them."

Deuteronomy 8:19

And it shall be if you do at all forget Jehovah your God and walk after other gods and serve them and worship them, I testify against you today that you shall surely perish.

Deuteronomy 27:26

Cursed is he who 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 be when many evils and troubles have found them, this song shall testify against them as a witness. For it shall not be forgotten out of the mouths of their seed. For I know their imagination which they do, even now, before I have brought them into the land which I swore.

Nehemiah 9:29-30

and testified against them that You might bring them again to Your Law. But they acted proudly and did not listen to Your commandments, but sinned against Your judgments (which if a man do, he shall live in them), and withdrew the shoulder, and hardened their neck, and would not hear.

Nehemiah 9:34

And our kings, our rulers, our priests, and our fathers, have not kept Your Law, nor listened to Your commandments and Your words with which You testified against them.

Matthew 23:16

Woe to you, blind guides, saying, Whoever shall swear by the temple, it is nothing; but whoever shall swear by the gold of the temple, he is a debtor.

Matthew 23:18

And, Whoever shall swear by the altar, it is nothing; but whoever swears by the gift that is on it, he is a debtor!

Acts 2:40

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

Acts 20:21

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

Romans 2:25

For circumcision truly profits if you keep the Law, but if you are a transgressor of the Law, circumcision becomes uncircumcision.

Ephesians 4:17

This I say therefore, and testify in the Lord, that you should not walk from now on as other nations walk, in the vanity of their mind,

1 Thessalonians 4:6

not to go beyond and defraud his brother in this matter (because the Lord is the avenger concerning all these, as we also have forewarned you and testified).

James 2:10-11

For whoever shall keep the whole Law and yet offend in one point, he is guilty of all.

1 John 4:14

And we have seen and testify that the Father 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

Deuteronomy 8:19
And it shall be if you do at all forget Jehovah your God and walk after other gods and serve them and worship them, I testify against you today that you shall surely perish.
Deuteronomy 31:21
And it shall be when many evils and troubles have found them, this song shall testify against them as a witness. For it shall not be forgotten out of the mouths of their seed. For I know their imagination which they do, even now, before I have brought them into the land which I swore.
Nehemiah 9:29
and testified against them that You might bring them again to Your Law. But they acted proudly and did not listen to Your commandments, but sinned against Your judgments (which if a man do, he shall live in them), and withdrew the shoulder, and hardened their neck, and would not hear.
Luke 16:28
for I have five brothers, so that he may testify to them, lest they also come into this place of torment.
Acts 2:40
And with many other words he earnestly testified and exhorted, saying, Be saved from this perverse generation.
Acts 20:21
testifying both to the Jews, and also to the Greeks, repentance toward God and faith toward our Lord Jesus Christ.
Ephesians 4:17
This I say therefore, and testify in the Lord, that you should not walk from now on as other nations walk, in the vanity of their mind,
1 Thessalonians 4:6
not to go beyond and defraud his brother in this matter (because the Lord is the avenger concerning all these, as we also have forewarned you and testified).
1 John 4:14
And we have seen and testify that the Father sent the Son to be the Savior of the world.

A debtor

Galatians 3:10
For as many as are out of works of the Law, these are under a curse; for it is written, "Cursed is everyone who does not continue in all things which are written in the Book of the Law, to do them."
Deuteronomy 27:26
Cursed is he who does not confirm all the words of this Law, to do them. And all the people shall say, Amen.
Matthew 23:16
Woe to you, blind guides, saying, Whoever shall swear by the temple, it is nothing; but whoever 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 together.
Galatians 2:3
(But not even Titus, the one with me, a Greek, was compelled to be circumcised.)
Philippians 3:7
But whatever things were gain to me, those I counted loss for Christ.