Luke 11:41

But you should give to poor people what you have inside. [Note: This means either what is inside the dish, or what is inside your heart]. And [then] you will see that everything is [ceremonially] clean to you [as well].

Acts 10:15-16

So, the voice spoke again, saying, "What God has made [ceremonially] acceptable, you must not consider ordinary [and therefore defiled]."

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.

Romans 14:14

As one who is in [fellowship with] the Lord Jesus, I am fully convinced that nothing in itself is [ceremonially] unclean. But to the person who considers something [ceremonially] unclean, it then becomes unclean to him.

Romans 14:20

Do not destroy God's work [i.e., someone's life] for the sake of something to eat. All foods are truly clean [ceremonially]; however, it is wrong for a person to eat something when it causes another person to fall [away from God].

2 Corinthians 6:17

Therefore, the Lord says [Isa. 52:11], "You people should leave their company [i.e., unbelievers, verse 14] and separate yourselves from them, and do not touch anything unclean [i.e., their evil practices], and I will welcome you."

Titus 1:15

Everything is pure [i.e., ceremonially acceptable] to the person who is pure [i.e., who has been cleansed by the blood of Christ], but to those who are [spiritually] corrupt, and do not believe [in Christ], nothing is pure, but both their minds and consciences are corrupted. [Note: This statement was intended to remove the physical restrictions imposed by the law of Moses].

Treasury of Scripture Knowledge

Summary

And the flesh that toucheth any unclean thing shall not be eaten; it shall be burnt with fire: and as for the flesh, all that be clean shall eat thereof.

Bible References

General references

Luke 11:41
But you should give to poor people what you have inside. [Note: This means either what is inside the dish, or what is inside your heart]. And [then] you will see that everything is [ceremonially] clean to you [as well].
Acts 10:15
So, the voice spoke again, saying, "What God has made [ceremonially] acceptable, you must not consider ordinary [and therefore defiled]."
Romans 14:14
As one who is in [fellowship with] the Lord Jesus, I am fully convinced that nothing in itself is [ceremonially] unclean. But to the person who considers something [ceremonially] unclean, it then becomes unclean to him.
2 Corinthians 6:17
Therefore, the Lord says [Isa. 52:11], "You people should leave their company [i.e., unbelievers, verse 14] and separate yourselves from them, and do not touch anything unclean [i.e., their evil practices], and I will welcome you."
Titus 1:15
Everything is pure [i.e., ceremonially acceptable] to the person who is pure [i.e., who has been cleansed by the blood of Christ], but to those who are [spiritually] corrupt, and do not believe [in Christ], nothing is pure, but both their minds and consciences are corrupted. [Note: This statement was intended to remove the physical restrictions imposed by the law of Moses].