Matthew 5:8 NIV

1 John 3:2-3 NIV
Dear friends, now we are children of God, and what we will be has not yet been made known. But we know that when Christ appears, we shall be like him, for we shall see him as he is. All who have this hope in him purify themselves, just as he is pure.

1 Peter 1:22 NIV
Now that you have purified yourselves by obeying the truth so that you have sincere love for each other, love one another deeply, from the heart.

Acts 15:9 NIV
He did not discriminate between us and them, for he purified their hearts by faith.

Ezekiel 36:25-27 NIV
I will sprinkle clean water on you, and you will be clean; I will cleanse you from all your impurities and from all your idols. I will give you a new heart and put a new spirit in you; I will remove from you your heart of stone and give you a heart of flesh. And I will put my Spirit in you and move you to follow my decrees and be careful to keep my laws.

Hebrews 10:22 NIV
let us draw near to God with a sincere heart and with the full assurance that faith brings, having our hearts sprinkled to cleanse us from a guilty conscience and having our bodies washed with pure water.

Hebrews 12:14 NIV
Make every effort to live in peace with everyone and to be holy; without holiness no one will see the Lord.

Hebrews 9:14 NIV
How much more, then, will the blood of Christ, who through the eternal Spirit offered himself unblemished to God, cleanse our consciences from acts that lead to death, so that we may serve the living God!

James 3:17 NIV
But the wisdom that comes from heaven is first of all pure; then peace-loving, considerate, submissive, full of mercy and good fruit, impartial and sincere.

James 4:8 NIV
Come near to God and he will come near to you. Wash your hands, you sinners, and purify your hearts, you double-minded.

Matthew 23:25-28 NIV
“Woe to you, teachers of the law and Pharisees, you hypocrites! You clean the outside of the cup and dish, but inside they are full of greed and self-indulgence. Blind Pharisee! First clean the inside of the cup and dish, and then the outside also will be clean. “Woe to you, teachers of the law and Pharisees, you hypocrites! You are like whitewashed tombs, which look beautiful on the outside but on the inside are full of the bones of the dead and everything unclean. In the same way, on the outside you appear to people as righteous but on the inside you are full of hypocrisy and wickedness.