Luke 11:41

and behold all things are clean to you.

Acts 10:15-16

And the voice said to him again the second time, What God hath cleansed, do not thou account polluted.

Acts 10:28

And he said unto them, Ye know how unlawful it is for a man that is a Jew, to associate with or go to the house of one of another nation: but God hath shewn me, that I should not call any man polluted or unclean.

Romans 14:14

I know and have been taught by the Lord Jesus, that nothing is unclean of itself: only to him that thinketh any thing unclean, to him it is unclean.

Romans 14:20

Do not for the sake of meat destroy thy brother who is the work of God: all things indeed are pure; but to the man that eateth with offence it is evil.

2 Corinthians 6:17

Wherefore, "come out from the midst of them, and be ye separate, saith the Lord, and touch no unclean thing," and I will receive you:

Titus 1:15

To the pure indeed all things are pure; but to the polluted and unbelieving nothing is pure; even their mind and conscience is polluted.

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
and behold all things are clean to you.
Acts 10:15
And the voice said to him again the second time, What God hath cleansed, do not thou account polluted.
Romans 14:14
I know and have been taught by the Lord Jesus, that nothing is unclean of itself: only to him that thinketh any thing unclean, to him it is unclean.
2 Corinthians 6:17
Wherefore, "come out from the midst of them, and be ye separate, saith the Lord, and touch no unclean thing," and I will receive you:
Titus 1:15
To the pure indeed all things are pure; but to the polluted and unbelieving nothing is pure; even their mind and conscience is polluted.