Acts 10:28

And he said to them, "You people know how unlawful it is for a Jew to associate with, or even go near a person from another [i.e., non-Jewish] country, and yet God showed me that I should not consider any person ordinary or [ceremonially] unacceptable.

John 4:9

Therefore, the Samaritan woman asked Him, "Why is it that you, being a Jew, would ask a Samaritan woman [like me] for a drink?" (For Jews do not have any fellowship with Samaritans). [Note: The reason for this stemmed from longstanding religious, cultural and ethnic prejudices].

John 18:28

Then, early in the morning they led Jesus from Caiaphas to [governor Pilate's] headquarters. But the Jewish authorities would not enter it, because [if they had] they would have become ceremonially unclean, and could not eat the Passover meal. [Note: This was because they regarded a Gentile house as defiling].

Acts 15:8-9

And God, who knows [all people's] hearts, gave His testimony [to their acceptance] by giving them the Holy Spirit just as He did to us [See 11:15-17].

Luke 18:11

The Pharisee stood up [conspicuously] and prayed about himself this way [i.e., bragging to God about how good he was], 'God, I thank you that I am not like other people: swindlers, unjust, sexually unfaithful to their mates, or even like that tax collector [over there].

John 4:27

Just about then Jesus' disciples returned [from town], and were surprised to find Him talking with a woman. [Note: It was not customary for a Jewish male to engage a woman in extended conversation in that day, much less a stranger, and certainly not a Samaritan], yet no one said [to Him], "What are you looking for?" or "Why are you talking to her?"

Acts 10:14-15

But Peter answered, "No, Lord, I cannot. I have never eaten any such ordinary or [ceremonially] unfit creatures."

Acts 10:34-35

Then Peter began to speak. He said, "I perceive that God truly does not show favoritism toward anyone,

Acts 11:2-3

And when Peter came up to Jerusalem, those [believers] of Jewish descent began to argue with him,

Acts 11:9

Then the voice spoke from the sky again, saying, 'Do not consider something [to be] ordinary that God has made acceptable.'

Acts 22:21-22

Then the Lord said to me, 'Go, for I will send you far away from here to the Gentiles.' "

Galatians 2:12-14

For, before certain [leaders] came from James [i.e., Jesus' brother, a leader of the Jerusalem church, See Acts 12:17; 15:13-22], he had eaten [a social meal] with some Gentiles. But when these men came, he abruptly discontinued this practice out of fear of the circumcised ones [i.e., out of concern for what the Jews would think of him].

Ephesians 3:6-7

This secret plan is that the Gentiles [now] share in the inheritance along with us [Jews], and are fellow-members of the body [i.e., the church], and that they share, along with us [Jews], in the promise of the Gospel, in [fellowship with] Christ Jesus.

Treasury of Scripture Knowledge

Summary

And he said unto them, Ye know how that it is an unlawful thing for a man that is a Jew to keep company, or come unto one of another nation; but God hath shewed me that I should not call any man common or unclean.

General references

Bible References

That it

Acts 11:2
And when Peter came up to Jerusalem, those [believers] of Jewish descent began to argue with him,
Acts 22:21
Then the Lord said to me, 'Go, for I will send you far away from here to the Gentiles.' "
John 4:9
Therefore, the Samaritan woman asked Him, "Why is it that you, being a Jew, would ask a Samaritan woman [like me] for a drink?" (For Jews do not have any fellowship with Samaritans). [Note: The reason for this stemmed from longstanding religious, cultural and ethnic prejudices].
John 18:28
Then, early in the morning they led Jesus from Caiaphas to [governor Pilate's] headquarters. But the Jewish authorities would not enter it, because [if they had] they would have become ceremonially unclean, and could not eat the Passover meal. [Note: This was because they regarded a Gentile house as defiling].
Galatians 2:12
For, before certain [leaders] came from James [i.e., Jesus' brother, a leader of the Jerusalem church, See Acts 12:17; 15:13-22], he had eaten [a social meal] with some Gentiles. But when these men came, he abruptly discontinued this practice out of fear of the circumcised ones [i.e., out of concern for what the Jews would think of him].

But

Acts 10:15
So, the voice spoke again, saying, "What God has made [ceremonially] acceptable, you must not consider ordinary [and therefore defiled]."
Acts 11:9
Then the voice spoke from the sky again, saying, 'Do not consider something [to be] ordinary that God has made acceptable.'
Acts 15:8
And God, who knows [all people's] hearts, gave His testimony [to their acceptance] by giving them the Holy Spirit just as He did to us [See 11:15-17].
Luke 18:11
The Pharisee stood up [conspicuously] and prayed about himself this way [i.e., bragging to God about how good he was], 'God, I thank you that I am not like other people: swindlers, unjust, sexually unfaithful to their mates, or even like that tax collector [over there].
Ephesians 3:6
This secret plan is that the Gentiles [now] share in the inheritance along with us [Jews], and are fellow-members of the body [i.e., the church], and that they share, along with us [Jews], in the promise of the Gospel, in [fellowship with] Christ Jesus.

General references

Acts 11:3
saying, "You went in and ate with non-Jewish people, did you not?"