1 Corinthians 5:7-13
Cleanse away the old leaven, in order that you may be a new lump, as you are free from leaven; for Christ has truly become our Passover.
2 Corinthians 6:16-17
And what harmony has the temple of God with idols? for we are the temple of the living God; as God said; I will live in them, and walk about among them; and I will be their God, and they shall be my people.
2 Thessalonians 3:6
And we command you, brethren, in the name of our Lord Jesus Christ, that you withdraw from every brother who walks about disorderly, and not according to the teaching they received from us.
Titus 3:10
Reject a heretical man after the first and second admonition;
Hebrews 12:15-16
looking diligently lest any one may fail from the grace of God; lest any root of bitterness springing up may trouble you, and through it many may be defiled;
2 John 1:10-11
If any one comes to you, and does not bring this doctrine; do not receive him into your house, and do not bid him God speed:
Revelation 21:3
And I heard a great voice speaking from the throne, Behold, the tabernacle of God is with the people, and he will tabernacle with them, and they will be his people, and God himself will be with them:
Revelation 21:27
And nothing unclean, and the one doing abomination, and falsehood, can at all enter into it: none except those who are written in the Lamb's book of life.