1 Corinthians 5:7-13
Purge out the old leaven, that you may be a new mass, as you are without leaven; for Christ, our passover, has been sacrificed for us.
2 Corinthians 6:16-17
What has a temple of God in common with one of idols? For you are the temple of the living God, as God has said: I will dwell in them, and walk among them; and I will be their God, and they shall be my people.
2 Thessalonians 3:6
Now we command you, brethren, in the name of our Lord Jesus Christ, that you withdraw from every brother that walks disorderly, and not according to the tradition which he received from us.
Titus 3:10
A man that is a sectary, reject, after the first and second admonition,
Hebrews 12:15-16
taking care, lest any one slight the grace of God; lest any root of bitterness spring up and trouble you, and by this many be defiled;
2 John 1:10-11
If any one comes to you, and brings not this teaching, receive him not into your house, and do not wish him well:
Revelation 21:3
And I heard a great voice out of heaven, saying: Behold, the tabernacle of God is with men, and he will dwell with them: and they shall be his people, and God himself will be with them, their God.
Revelation 21:27
And there shall not enter it any thing unclean, or that does what is detestable, or that makes a lie: but those who are written in the Lamb's book of life.