Titus 1:15

Everything is clean to those who are clean, but nothing is clean to those who are corrupt and unbelieving. Indeed, their very way of thinking and their consciences have been corrupted.

Romans 14:20

Do not destroy God's action for the sake of food. Everything is clean, but it is wrong to make another person stumble because of what you eat.

Romans 14:23

But the person who has doubts is condemned if he eats, because he does not act in faith; and anything that is not done in faith is sin.

Romans 14:14

I know and have been persuaded by the Lord Jesus that nothing is unclean in and of itself, but it is unclean to a person who thinks it is unclean.

Matthew 15:18

But the things that come out of the mouth come from the heart, and it is those things that make a person unclean.

Acts 10:15

Again the voice came to him a second time, "You must stop calling unclean what God has made clean."

Proverbs 21:4

A proud attitude, accompanied by a haughty look, is sin; they reveal wicked people.

Haggai 2:13

So Haggai responded, "If someone who is unclean because of contact with a dead body were to touch any of these things, would they become unclean?" The priests responded, "They would be unclean."

Zechariah 7:5-6

"Talk to everyone in the land, as well as to the priests. Ask them, "When you were fasting and mourning during the fifth and seventh months for the past seventy years, were you really fasting for me?

Luke 11:39-41

But the Lord told him, "Now you Pharisees clean the outside of the cup and the dish, but on the inside you are full of greed and evil.

1 Corinthians 6:12-13

Everything is permissible for me, but not everything is helpful. Everything is permissible for me, but I will not allow anything to control me.

1 Corinthians 8:7

But not everyone has this knowledge. Some people are so accustomed to idolatry that when they eat food that has been offered to an idol, their conscience becomes contaminated because it is weak.

1 Corinthians 10:23

Everything is permissible, but not everything is helpful. Everything is permissible, but not everything builds up.

1 Corinthians 10:25

Eat anything that is sold in the meat market without raising any question about it on the grounds of conscience,

1 Corinthians 10:31

Therefore, whether you eat or drink, or whatever you do, do everything for the glory of God.

1 Corinthians 11:27-29

Therefore, whoever eats the bread or drinks from the cup in an unworthy manner will be held responsible for the Lord's body and blood.

1 Timothy 4:3-4

They will try to stop people from marrying and from eating certain foods, which God created to be received with thanksgiving by those who believe and know the truth.

1 Timothy 6:5

and incessant conflict between people who are depraved in mind and deprived of truth. They think that godliness is a way to make a profit.

Hebrews 9:14

how much more will the blood of the Messiah, who through the eternal Spirit offered himself unblemished to God, cleanse our consciences from dead actions so that we may serve the living God!

Hebrews 10:22

let us continue to come near with sincere hearts in the full assurance that faith provides, because our hearts have been sprinkled clean from a guilty conscience, and our bodies have been washed with pure water.

Treasury of Scripture Knowledge

Summary

Unto the pure all things are pure: but unto them that are defiled and unbelieving is nothing pure; but even their mind and conscience is defiled.

Bible References

The pure

Luke 11:39
But the Lord told him, "Now you Pharisees clean the outside of the cup and the dish, but on the inside you are full of greed and evil.
Acts 10:15
Again the voice came to him a second time, "You must stop calling unclean what God has made clean."
Romans 14:14
I know and have been persuaded by the Lord Jesus that nothing is unclean in and of itself, but it is unclean to a person who thinks it is unclean.
1 Corinthians 6:12
Everything is permissible for me, but not everything is helpful. Everything is permissible for me, but I will not allow anything to control me.
1 Corinthians 10:23
Everything is permissible, but not everything is helpful. Everything is permissible, but not everything builds up.
1 Timothy 4:3
They will try to stop people from marrying and from eating certain foods, which God created to be received with thanksgiving by those who believe and know the truth.

Their

1 Corinthians 8:7
But not everyone has this knowledge. Some people are so accustomed to idolatry that when they eat food that has been offered to an idol, their conscience becomes contaminated because it is weak.
Hebrews 9:14
how much more will the blood of the Messiah, who through the eternal Spirit offered himself unblemished to God, cleanse our consciences from dead actions so that we may serve the living God!
Hebrews 10:22
let us continue to come near with sincere hearts in the full assurance that faith provides, because our hearts have been sprinkled clean from a guilty conscience, and our bodies have been washed with pure water.

General references

Leviticus 7:19
"Meat that comes in contact with a ceremonially unclean thing is not to be eaten. Incinerate it instead. As for ceremonially clean meat, anyone who is clean may eat it.
Leviticus 10:10
You are to differentiate between what's sacred and common and between what's unclean and clean.
Leviticus 11:34
"Any food that may be eaten, but into which water has soaked, becomes unclean. Any drink that may be drunk in any of these vessels becomes unclean,
Deuteronomy 14:3
"You must not eat any detestable food.
Acts 24:16
Therefore, I always do my best to have a clear conscience before God and people.

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