Yet not altogether with the fornicators of this world, or with the covetous, or extortioners, or with idolaters; for then you would have to go out of the world.
Be not unequally yoked together with unbelievers: for what fellowship has righteousness with unrighteousness? And what communion has light with darkness?
Now we command you, brethren, in the name of our Lord Jesus Christ, that you withdraw yourselves from every brother that walks disorderly, and not according to the tradition which he received from us.