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.
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;
Romans 14:23
but he that doubts is condemned if he eats, because it is not of faith; and every thing which is not of faith is sin.
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.
Matthew 15:18
But the things which proceed from the mouth come from the heart, and these defile the man.
Acts 10:15
And a voice came to him again, a second time, What God has purified, regard not common.
Luke 11:39-41
And the Lord said to him, Now you Pharisees cleanse the outside of the cup and plate, but your inside is full of plunder and wickedness.
1 Corinthians 6:12-13
All things are lawful for me, but all things are not expedient; all things are lawful, but I will not be brought under the power of any.
1 Corinthians 8:7
But all have not this knowledge; and some with the conscience [unenlightened] even till now eat an idol's [sacrifice] as an idol's sacrifice, and their conscience being weak is defiled.
1 Corinthians 10:23
All things are lawful, but all things are not expedient; all things are lawful, but all things do not edify.
1 Corinthians 10:25
Whatever is sold in the market eat, asking no questions for conscience' sake;
1 Corinthians 10:31
Whether then you eat or drink, or whatever you do, do all to the glory of God.
1 Corinthians 11:27-29
So that whoever eats this bread or drinks this cup of the Lord unworthily, is guilty of the body and blood of the Lord.
1 Timothy 4:3-4
who forbid to marry, [command] to abstain from meat, which God created to be received with thanksgiving by the faithful and those who know the truth.
1 Timothy 6:5
and wranglings of men of unsound judgments and destitute of the truth, supposing that piety is gain.
Hebrews 9:14
how much more shall the blood of Christ, who with an eternal spirit offered himself without fault to God, purify your conscience from dead works to serve the living God.
Hebrews 10:22
let us approach with a true heart in a full assurance of faith, sprinkled in heart from an evil conscience, and washed in body with pure water,