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
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.
Acts 10:15
And a voice again for a second time, What God has cleansed, thou shall not make profane.
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.
1 Corinthians 6:12
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 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 Timothy 4:3
forbidding to marry, to abstain from foods, which God created for partaking with thankfulness by those who believe and know the truth.

Their

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.
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.

General references

Leviticus 7:19
And the flesh that touches any unclean thing shall not be eaten; it shall be burnt with fire. And as for the flesh, every clean man shall eat of it,
Leviticus 10:10
and that ye may make a distinction between the holy and the common, and between the unclean and the clean,
Leviticus 11:34
All food which may be eaten, that on which water comes, shall be unclean, and all drink that may be drunk in every [such] vessel shall be unclean.
Deuteronomy 14:3
Thou shall not eat any abominable thing.
Acts 24:16
And in this I fashion myself, having a conscience always nonstumbling before God and men.