Luke 11:41

But give the things within in charity, and behold, all things are pure to you.

Acts 10:15-16

And a voice came to him again, a second time, What God has purified, regard not common.

Acts 10:28

and he said to them, You know that it is not lawful for a Jew to associate with a man of another nation, or come into his house; and God has taught me not to call any man common or impure;

Romans 14:14

I know, and am persuaded in the Lord Jesus, that nothing is defiled in itself, except to him that thinks any thing to be defiled; to him it is defiled.

Romans 14:20

On account of food destroy not the work of God. All things indeed are pure, but evil is to the man that eats with offense;

2 Corinthians 6:17

Go out therefore from among them, and be separate, says the Lord, and touch not the impure; and I will receive you,

Titus 1:15

To the pure all things are pure; but to the defiled and unbelieving, nothing is pure; but their mind and conscience are defiled.

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 give the things within in charity, and behold, all things are pure to you.
Acts 10:15
And a voice came to him again, a second time, What God has purified, regard not common.
Romans 14:14
I know, and am persuaded in the Lord Jesus, that nothing is defiled in itself, except to him that thinks any thing to be defiled; to him it is defiled.
2 Corinthians 6:17
Go out therefore from among them, and be separate, says the Lord, and touch not the impure; and I will receive you,
Titus 1:15
To the pure all things are pure; but to the defiled and unbelieving, nothing is pure; but their mind and conscience are defiled.