Luke 11:41
Better cleanse what is within; then nothing will be unclean for you.
Acts 10:15-16
A second time the voice came back to him, "What God has cleansed, you must not regard as common."
Acts 10:28
To them Peter said, "You know yourselves it is illegal for a Jew to join or accost anyone belonging to another nation; but God has shown me that I must not call any man common or unclean,
Romans 14:14
I know, I am certain in the Lord Jesus, that nothing is in itself unclean; only, anything is unclean for a man who considers it unclean.
Romans 14:20
You must not break down God's work for the mere sake of food! Everything may be clean, but it is wrong for a man to prove a stumbling-block by what he eats;
2 Corinthians 6:17
Therefore come away from them, separate, saith the Lord, touch not what is unclean; then I will receive you,
Titus 1:15
For the pure all things are pure, but nothing is pure for the polluted and unbelieving; their very mind and conscience are polluted.