Romans 14:14

I know and trust in the Lord Jesus that for his sake there is nothing unclean, but to him that esteems any thing to be unclean, to him it is unclean.

1 Corinthians 8:7

Howbeit there is not in everyone that knowledge, for some with conscience of the idol unto now, eat it as a thing offered unto an idol, and their conscience being weak is defiled.

Romans 14:2

For one believes that he may eat all things; another, who is sick, eats vegetables.

Romans 14:20

Because of food, do not destroy the work of God. All things indeed are clean, but it is evil for that man who eats with offense.

Acts 10:14-15

But Peter said, Not so, Lord; for I have never eaten any thing that is common or unclean.

Acts 10:28

And he said unto them, Ye know how that it is an abominable thing for a man that is a Jew to keep company or come unto one of another nation; but God has showed me that I should not call any man common or unclean.

1 Corinthians 8:10

For if anyone sees thee who hast this knowledge sit at food in the idol's temple, shall not the conscience of him who is weak be emboldened to eat those things which are offered to idols?

Acts 11:8-9

But I said, Not so, Lord, for nothing common or unclean has at any time entered into my mouth.

Romans 14:23

And he that makes a difference is condemned if he eats, because he does not eat by faith; and whatsoever is not out of faith is sin.

1 Corinthians 10:25

Whatever is sold in the market, that eat, asking no question for conscience sake;

1 Timothy 4:4

For everything that God created is good, and nothing is to be refused, if it is received with thanksgiving,

Titus 1:15

For unto the pure all things are pure, but unto those that are defiled and unfaithful, nothing is pure, but even their soul and conscience is defiled.

Treasury of Scripture Knowledge

Summary

I know, and am persuaded by the Lord Jesus, that there is nothing unclean of itself: but to him that esteemeth any thing to be unclean, to him it is unclean.

And am

Bible References

And am

Acts 10:28
And he said unto them, Ye know how that it is an abominable thing for a man that is a Jew to keep company or come unto one of another nation; but God has showed me that I should not call any man common or unclean.

That there

Romans 14:2
For one believes that he may eat all things; another, who is sick, eats vegetables.
1 Corinthians 10:25
Whatever is sold in the market, that eat, asking no question for conscience sake;
1 Timothy 4:4
For everything that God created is good, and nothing is to be refused, if it is received with thanksgiving,
Titus 1:15
For unto the pure all things are pure, but unto those that are defiled and unfaithful, nothing is pure, but even their soul and conscience is defiled.

Unclean

Acts 10:14
But Peter said, Not so, Lord; for I have never eaten any thing that is common or unclean.
Acts 11:8
But I said, Not so, Lord, for nothing common or unclean has at any time entered into my mouth.

To him it

Romans 14:23
And he that makes a difference is condemned if he eats, because he does not eat by faith; and whatsoever is not out of faith is sin.
1 Corinthians 8:7
Howbeit there is not in everyone that knowledge, for some with conscience of the idol unto now, eat it as a thing offered unto an idol, and their conscience being weak is defiled.

General references

Leviticus 7:19
And the flesh that touches any unclean thing shall not be eaten; it shall be burnt with fire; but every clean person shall eat of this flesh.
Leviticus 11:2
Speak unto the sons of Israel, saying, These are the animals which ye shall eat among all the animals that are on the earth.
Deuteronomy 14:3
Thou shalt not eat any abominable thing.