Most Relevant Verses
Have the same respect one for another, not minding high things, but going along with the lowly: be not wise in your own eyes:
He that walketh with wise men becometh wise; but a companion of the foolish will be depraved.
But now I have written to you, if any one called brother be fornicator, or avaricious, or idolater, or abusive, or a drunkard, or rapacious, not to mix with him; with such a one not even to eat.
But if any one obey not our word by the letter, mark that man, and do not keep company with him, that he may be ashamed of himself;