Galatians 2:14

But when I saw that they do not walk straightforwardly, according to the truth of the glad tidings, I said to Peter before all, If thou, being a Jew, livest as the nations and not as the Jews, how dost thou compel the nations to Judaize?

Galatians 2:5

to whom we yielded in subjection not even for an hour, that the truth of the glad tidings might remain with you.

Acts 10:28

And he said to them, Ye know how it is unlawful for a Jew to be joined or come to one of a strange race, and to me God has shewn to call no man common or unclean.

1 Timothy 5:20

Those that sin convict before all, that the rest also may have fear.

Leviticus 19:17

Thou shalt not hate thy brother in thy heart; thou shalt earnestly rebuke thy neighbour, lest thou bear sin on account of him.

Psalm 15:2

He that walketh uprightly, and worketh righteousness, and speaketh the truth from his heart.

Psalm 58:1

{To the chief Musician. 'Destroy not.' Of David. Michtam.} Is righteousness indeed silent? Do ye speak it? Do ye judge with equity, ye sons of men?

Psalm 84:11

For Jehovah Elohim is a sun and shield: Jehovah will give grace and glory; no good thing will he withhold from them that walk uprightly.

Psalm 141:5

Let the righteous smite me, it is kindness; and let him reprove me, it is an excellent oil which my head shall not refuse: for yet my prayer also is for them in their calamities.

Proverbs 2:7

He layeth up sound wisdom for the upright; he is a shield to them that walk in integrity;

Proverbs 10:9

He that walketh in integrity walketh securely; but he that perverteth his ways shall be known.

Proverbs 27:5-6

Open rebuke is better than hidden love.

Acts 11:3-18

saying, Thou wentest in to men uncircumcised and hast eaten with them.

Acts 15:10-11

Now therefore why tempt ye God, by putting a yoke upon the neck of the disciples, which neither our fathers nor we have been able to bear?

Acts 15:19-21

Wherefore I judge, not to trouble those who from the nations turn to God;

Acts 15:24

Inasmuch as we have heard that some who went out from amongst us have troubled you by words, upsetting your souls, saying that ye must be circumcised and keep the law; to whom we gave no commandment;

Acts 15:28-29

For it has seemed good to the Holy Spirit and to us to lay upon you no greater burden than these necessary things:

Romans 14:14

I know, and am persuaded in the Lord Jesus, that nothing is unclean of itself; except to him who reckons anything to be unclean, to that man it is unclean.

Galatians 2:3

(but neither was Titus, who was with me, being a Greek, compelled to be circumcised;)

Galatians 2:7

but, on the contrary, seeing that the glad tidings of the uncircumcision were confided to me, even as to Peter that of the circumcision,

Galatians 2:9

and recognising the grace given to me, James and Cephas and John, who were conspicuous as being pillars, gave to me and Barnabas the right hands of fellowship, that we should go to the nations, and they to the circumcision;

Galatians 2:11-13

But when Peter came to Antioch, I withstood him to the face, because he was to be condemned:

Galatians 6:12

As many as desire to have a fair appearance in the flesh, these compel you to be circumcised, only that they may not be persecuted because of the cross of Christ.

1 Timothy 4:3-5

forbidding to marry, bidding to abstain from meats, which God has created for receiving with thanksgiving for them who are faithful and know the truth.

Hebrews 9:10

consisting only of meats and drinks and divers washings, ordinances of flesh, imposed until the time of setting things right.

Hebrews 12:13

and make straight paths for your feet, that that which is lame be not turned aside; but that rather it may be healed.

Treasury of Scripture Knowledge

Summary

But when I saw that they walked not uprightly according to the truth of the gospel, I said unto Peter before them all, If thou, being a Jew, livest after the manner of Gentiles, and not as do the Jews, why compellest thou the Gentiles to live as do the Jews?

Bible References

Walked

Psalm 15:2
He that walketh uprightly, and worketh righteousness, and speaketh the truth from his heart.
Psalm 58:1
{To the chief Musician. 'Destroy not.' Of David. Michtam.} Is righteousness indeed silent? Do ye speak it? Do ye judge with equity, ye sons of men?
Psalm 84:11
For Jehovah Elohim is a sun and shield: Jehovah will give grace and glory; no good thing will he withhold from them that walk uprightly.
Proverbs 2:7
He layeth up sound wisdom for the upright; he is a shield to them that walk in integrity;
Proverbs 10:9
He that walketh in integrity walketh securely; but he that perverteth his ways shall be known.

The truth

Galatians 2:5
to whom we yielded in subjection not even for an hour, that the truth of the glad tidings might remain with you.
Romans 14:14
I know, and am persuaded in the Lord Jesus, that nothing is unclean of itself; except to him who reckons anything to be unclean, to that man it is unclean.
1 Timothy 4:3
forbidding to marry, bidding to abstain from meats, which God has created for receiving with thanksgiving for them who are faithful and know the truth.
Hebrews 9:10
consisting only of meats and drinks and divers washings, ordinances of flesh, imposed until the time of setting things right.

I said

Galatians 2:11
But when Peter came to Antioch, I withstood him to the face, because he was to be condemned:
Leviticus 19:17
Thou shalt not hate thy brother in thy heart; thou shalt earnestly rebuke thy neighbour, lest thou bear sin on account of him.
Psalm 141:5
Let the righteous smite me, it is kindness; and let him reprove me, it is an excellent oil which my head shall not refuse: for yet my prayer also is for them in their calamities.
Proverbs 27:5
Open rebuke is better than hidden love.
1 Timothy 5:20
Those that sin convict before all, that the rest also may have fear.

If thou

Galatians 2:12
for before that certain came from James, he ate with those of the nations; but when they came, he drew back and separated himself, fearing those of the circumcision;
Acts 10:28
And he said to them, Ye know how it is unlawful for a Jew to be joined or come to one of a strange race, and to me God has shewn to call no man common or unclean.
Acts 11:3
saying, Thou wentest in to men uncircumcised and hast eaten with them.

Why

Galatians 2:3
(but neither was Titus, who was with me, being a Greek, compelled to be circumcised;)
Galatians 6:12
As many as desire to have a fair appearance in the flesh, these compel you to be circumcised, only that they may not be persecuted because of the cross of Christ.
Acts 15:10
Now therefore why tempt ye God, by putting a yoke upon the neck of the disciples, which neither our fathers nor we have been able to bear?

General references

Proverbs 27:5
Open rebuke is better than hidden love.
Luke 5:38
but new wine is to be put into new skins, and both are preserved.
Romans 3:30
since indeed it is one God who shall justify the circumcision on the principle of faith, and uncircumcision by faith.
Galatians 2:18
For if the things I have thrown down, these I build again, I constitute myself a transgressor.