1 Corinthians 5:7-13
Purge out therefore the old leaven, that ye may be a new lump, as ye are unleavened; for our passover is slain for us, even Christ:
2 Corinthians 6:16-17
And what agreement hath the temple of God with idols? Now ye are the temple of the living God, as God hath said, I will dwell in them, and walk in them, and I will be to them a God, and they shall be to me a people.
2 Thessalonians 3:6
Now we command you, brethren, in the name of our Lord Jesus Christ, to withdraw yourselves from every brother that walketh disorderly and not according to the tradition which he received of us.
Titus 3:10
An heretic after a first and second admonition reject,
Hebrews 12:15-16
Looking diligently, lest any one fall from the grace of God, lest any root of bitterness springing up trouble you, and thereby many be defiled: Lest there be any fornicator or profane person,
2 John 1:10-11
he that abideth in the doctrine of Christ, he hath both the Father and the Son. If any come to you, and bring not this doctrine,
Revelation 21:3
And I heard a loud voice out of heaven saying, Behold the tabernacle of God with men, and he will dwell with them; and they shall be his people, and God himself shall be with them and be their God.
Revelation 21:27
But there shall in no wise enter into it any thing common, or that worketh abomination, or maketh a lie, but they who are written in the Lamb's book of life.