yet not altogether with the fornicators of this world, or with the covetous, or extortioners, or with idolaters; for then you must go out of the world.
Do not be unequally yoked together with unbelievers; for what fellowship does righteousness have with lawlessness? And what partnership does light have with darkness?
Now we command you, brothers, in the name of our Lord Jesus Christ, that you withdraw yourselves from every brother who walks disorderly, and not after the teaching which he received from us.