Galatians 2:14

But when I saw that they did not walk uprightly toward the truth of the good-news, I said to Peter before all, If thou being a Jew, live as a Gentile and not as a Jew, why do thou compel the Gentiles to live as Jews?

Galatians 2:5

to whom we yielded in subjection not even for an hour, so that the truth of the good-news might continue with you.

Acts 10:28

And he said to them, Ye understand how it is unlawful for a Jewish man to fraternize or to visit with a foreign man, and yet God demonstrated to me not to call one man profane or unclean.

1 Timothy 5:20

Those who sin, rebuke in the sight of all, so that the others may also have fear.

Leviticus 19:17

Thou shall not hate thy brother in thy heart. Thou shall surely rebuke thy neighbor, and not bear sin because of him.

Psalm 15:2

He who walks uprightly, and works righteousness, and speaks truth in his heart,

Psalm 58:1

Do ye indeed speak righteousness in silence? Do ye judge uprightly, O ye sons of men?

Psalm 84:11

For LORD God is a sun and a shield. LORD will give grace and glory. He will withhold no good thing from those who walk uprightly.

Psalm 141:5

Let a righteous man smite me, [as] a kindness. And let him reprove me, [as] oil upon the head. Let not my head refuse it. For even in their wickedness my prayer shall continue.

Proverbs 2:7

He lays up sound wisdom for the upright, a shield to those who walk in integrity,

Proverbs 10:9

He who walks uprightly walks securely, but he who perverts his ways shall be known.

Proverbs 27:5-6

Better is open rebuke than love that is hidden.

Acts 11:3-18

saying, Thou went in to uncircumcised men, having also eaten with them.

Acts 15:10-11

Now therefore why do ye challenge God, to place a yoke upon the neck of the disciples, which neither our fathers nor we were able to bear?

Acts 15:19-21

Therefore I judge not to trouble those from the Gentiles who are turning to God,

Acts 15:24

Since we have heard that certain men who went out from us have troubled you with words, disturbing your souls, saying to be circumcised, and to keep the law, to whom we did not command,

Acts 15:28-29

For it was decided by the Holy Spirit, and by us, to lay upon you not one greater burden than these necessary things:

Romans 14:14

I know and am persuaded in Lord Jesus, that nothing is profane by itself, except to him who regards anything to be profane. To that man it is profane.

Galatians 2:3

But not even Titus with me, being a Greek, was compelled to be circumcised.

Galatians 2:7

but to the contrary, when they saw that I was entrusted with the good-news for men of uncircumcision, as Peter for men of circumcision

Galatians 2:9

and James and Cephas and John, those who were reputed to be pillars, when they understood the grace that was given to me, they gave to me and Barnabas the right hands of fellowship. So that we were for the Gentiles, and they for me

Galatians 2:11-13

But when Peter came to Antioch I opposed him to the face, because he was blameworthy.

Galatians 6:12

As many as desire to make a good impression in flesh, these compel you to be circumcised, only so that they may not be persecuted for the cross of the Christ.

1 Timothy 4:3-5

forbidding to marry, to abstain from foods, which God created for partaking with thankfulness by those who believe and know the truth.

Hebrews 9:10

only in foods and drinks and various washings: carnal ordinances imposed until a time of reformation.

Hebrews 12:13

and make straight paths for your feet, so that what is lame may not be turned away, but may be healed instead.

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 who walks uprightly, and works righteousness, and speaks truth in his heart,
Psalm 58:1
Do ye indeed speak righteousness in silence? Do ye judge uprightly, O ye sons of men?
Psalm 84:11
For LORD God is a sun and a shield. LORD will give grace and glory. He will withhold no good thing from those who walk uprightly.
Proverbs 2:7
He lays up sound wisdom for the upright, a shield to those who walk in integrity,
Proverbs 10:9
He who walks uprightly walks securely, but he who perverts his ways shall be known.

The truth

Galatians 2:5
to whom we yielded in subjection not even for an hour, so that the truth of the good-news might continue with you.
Romans 14:14
I know and am persuaded in Lord Jesus, that nothing is profane by itself, except to him who regards anything to be profane. To that man it is profane.
1 Timothy 4:3
forbidding to marry, to abstain from foods, which God created for partaking with thankfulness by those who believe and know the truth.
Hebrews 9:10
only in foods and drinks and various washings: carnal ordinances imposed until a time of reformation.

I said

Galatians 2:11
But when Peter came to Antioch I opposed him to the face, because he was blameworthy.
Leviticus 19:17
Thou shall not hate thy brother in thy heart. Thou shall surely rebuke thy neighbor, and not bear sin because of him.
Psalm 141:5
Let a righteous man smite me, [as] a kindness. And let him reprove me, [as] oil upon the head. Let not my head refuse it. For even in their wickedness my prayer shall continue.
Proverbs 27:5
Better is open rebuke than love that is hidden.
1 Timothy 5:20
Those who sin, rebuke in the sight of all, so that the others may also have fear.

If thou

Galatians 2:12
For before certain men came from James he ate together with the Gentiles, but when they came, he withdrew and separated himself, fearing men of circumcision.
Acts 10:28
And he said to them, Ye understand how it is unlawful for a Jewish man to fraternize or to visit with a foreign man, and yet God demonstrated to me not to call one man profane or unclean.
Acts 11:3
saying, Thou went in to uncircumcised men, having also eaten with them.

Why

Galatians 2:3
But not even Titus with me, being a Greek, was compelled to be circumcised.
Galatians 6:12
As many as desire to make a good impression in flesh, these compel you to be circumcised, only so that they may not be persecuted for the cross of the Christ.
Acts 15:10
Now therefore why do ye challenge God, to place a yoke upon the neck of the disciples, which neither our fathers nor we were able to bear?

General references

Proverbs 27:5
Better is open rebuke than love that is hidden.
Luke 5:38
But new wine must be put into fresh wineskins, and both are preserved together.
Romans 3:30
since God is one, who will make the man of circumcision righteous from faith, and the man of uncircumcision through faith.
Galatians 2:18
For if I build again these things that I torn down, I demonstrate myself a transgressor.