Titus 1:15
Truly to the pure all things are pure, but to those who are defiled and unbelieving nothing is pure, but both their mind and their conscience are defiled.
Romans 14:20
Do not tear down the work of God because of food. All things indeed are clean, but it is wrong to the man who eats through hindrance.
Romans 14:23
But he who doubts is condemned if he eats, because it is not from faith, and everything that is not from faith is sin.
Romans 14:14
I know and am persuaded in Lord Jesus, that nothing is profane by itself, except to him who regards anything to be profane. To that man it is profane.
Matthew 15:18
But the things coming out of the mouth come forth from the heart, and those things defile the man.
Acts 10:15
And a voice again for a second time, What God has cleansed, thou shall not make profane.
Proverbs 21:4
A high look, and a proud heart, [even] the lamp of the wicked, is sin.
Haggai 2:13
Then Haggai said, If a man who is unclean because of a dead body touches any of these, shall it be unclean? And the priests answered and said, It shall be unclean.
Zechariah 7:5-6
Speak to all the people of the land, and to the priests, saying, When ye fasted and mourned in the fifth and in the seventh [month], even these seventy years, did ye at all fast to me, even to me?
Luke 11:39-41
And the Lord said to him, Now ye Pharisees cleanse the outside of the cup and of the platter, but your interior is full of plundering and wickedness.
1 Corinthians 6:12-13
All things are lawful for me, but not all things are expedient. All things are lawful for me, but I will not be brought under control by anything.
1 Corinthians 8:7
Nevertheless the knowledge is not in all men, but some, with conscience of the idol until now, eat as sacrificed to idols, and their weak conscience is defiled.
1 Corinthians 10:23
All things are permitted for me, but not all things are expedient. All things are permitted for me, but not all things are constructive.
1 Corinthians 10:25
Eat everything being sold in a meat market, inquiring of nothing because of the conscience,
1 Corinthians 10:31
Therefore whether ye eat, or drink, or anything ye do, do all to the glory of God.
1 Corinthians 11:27-29
Therefore whoever may eat this bread or drink the cup of the Lord unworthily of the Lord, will be guilty of the body and the blood of the Lord.
1 Timothy 4:3-4
forbidding to marry, to abstain from foods, which God created for partaking with thankfulness by those who believe and know the truth.
1 Timothy 6:5
constant frictions of men corrupted in mind, and destitute of the truth, supposing piety to be a means of gain. Withdraw from such.
Hebrews 9:14
how much more the blood of Christ, who, through the eternal Spirit, offered himself unblemished to God, will cleanse your conscience from dead works in order to serve a living God?
Hebrews 10:22
let us approach with a TRUE heart in full assurance of faith, our hearts sprinkled from an evil conscience, and our body washed in pure water.