Jesus gave himself for us to redeem us from all wickedness and to purify for himself a people that are his very own …
Titus 2:14

If we confess our sins, he is faithful and just and will forgive us our sins and purify us from all unrighteousness. 
1 John 1:9

“Touch no unclean thing, and I will receive you.”  “I will be a Father to you, and you will be my sons and daughters, says the Lord Almighty.”  Since we have these promises, dear friends, let us purify ourselves from everything that contaminates body and spirit, PERFECTING HOLINESS out of reverence for God. 
2 Corinthians 6:17-7:1

I will set before my eyes no vile thing. The deeds of faithless men I hate; they will not cling to me.
Psalm 101:3

But among you there must not be even a hint of sexual immorality, or of any kind of impurity, or of greed, because these are improper for God’s holy people. 
Ephesians 5:3

“Is not my word like fire,” declares the Lord, “and like a hammer that breaks a rock in pieces?”
Jeremiah 23:29

Since we are receiving a kingdom that cannot be shaken, let us be thankful, and so worship God acceptably with reverence and awe, for our “God is a consuming fire.” 
Hebrews 12:28

Submit yourselves, then, to God. Resist the devil, and he will flee from you. Come near to God and he will come near to you. Wash your hands, you sinners, and purify your hearts, you double-minded. 
James 4:7-8

Now Eli, who was very old, heard about everything his sons were doing to all Israel and how they slept with the women who served at the entrance to the Tent of Meeting.  So he said to them, “Why do you do such things? I hear from all the people about these wicked deeds of yours.  No, my sons; it is not a good report that I hear spreading among the Lord’s people.”
1 Samuel 2:22-24

“Everything is permissible”—but not everything is beneficial. “Everything is permissible”—but not everything is constructive.  Nobody should seek his own good, but the good of others.
1 Corinthians 10:23-24

… let us purify ourselves from everything that contaminates body and spirit, out of reverence for God. 
2 Corinthians 7:1