Luke 11:41

Therefore give alms of your substance; and behold all things are pure unto you.

Acts 10:15-16

And the voice again the second time came to him, Whatsoever things God has cleansed, do not count unclean;

Acts 10:28

and he said to them, You know how it is an unlawful thing for a Jewish man to associate with, or come to one of another nation; and God has shown me not to call any man unconsecrated or unclean.

Romans 14:14

I know, and am persuaded in the Lord Jesus, that there is nothing unclean of itself: except to him who considers it unclean, to him it is unclean.

Romans 14:20

Do not destroy the work of God on account of meat. All things are pure; but it is evil to the man who eats with offence:

2 Corinthians 6:17

Therefore come out from the midst of them, and be ye separate, says the Lord, and touch not the unclean thing; and I will receive you,

Titus 1:15

To the pure all things are pure: but to the corrupted and unbelieving there is nothing pure; yea, their mind and their conscience are 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
Therefore give alms of your substance; and behold all things are pure unto you.
Acts 10:15
And the voice again the second time came to him, Whatsoever things God has cleansed, do not count unclean;
Romans 14:14
I know, and am persuaded in the Lord Jesus, that there is nothing unclean of itself: except to him who considers it unclean, to him it is unclean.
2 Corinthians 6:17
Therefore come out from the midst of them, and be ye separate, says the Lord, and touch not the unclean thing; and I will receive you,
Titus 1:15
To the pure all things are pure: but to the corrupted and unbelieving there is nothing pure; yea, their mind and their conscience are polluted.