Matthew 5:8
"Blessed are the pure in heart, for they shall see God.
Matthew 12:33
"Either make the tree good and its fruit good, or make the tree corrupt and its fruit corrupt; for by its fruit the tree is known.
Acts 15:9
"and he made no distinction between us and them, in cleansing their hearts by faith.
1 Corinthians 3:3
You are not able even now, for you are still unspiritual. While there is among you jealousy and strife, are you not still unspiritual, and behaving like worldlings?
Ephesians 2:2-3
in which you passed your lives after the way of this world, under the sway of the Prince of the Powers of the Air, the spirit who is now working among the sons of disobedience.
Titus 1:15
All things are pure to the pure; but to the contaminated and the faithless nothing is pure, nay, their very minds and consciences are tainted.
Titus 2:14
He gave himself for us to redeem us from all iniquity, and to purify unto himself a people zealous of good works."
Titus 3:3
For we were ourselves once foolish, disobedient, deceived, slaving for various lusts and pleasures, passing our lives in malice and envy. We were hateful, and we hated one another.
Titus 3:5
He saved us, not because of any deeds that we had done in righteousness, But because of his own pity for us. He saved us by that washing of regeneration and renewing of the Holy Spirit
1 Peter 1:22-23
Now that by obedience to the truth you have purified your lives for a brotherly love without hypocrisy, you must love one another from your hearts, fervently.
1 John 2:29
If you know that he is righteous you know also that every one who habitually practices righteousness has been born of him.
1 John 3:3
And every one who is holding this hope in him is purifying himself, even as he is pure.