Proverbs 14:7
Go from the presence of a foolish man, in whom thou perceivest not the lips of knowledge.
Proverbs 9:6
Forsake follies and live, and go in the way of intelligence.
Proverbs 13:20
He that walketh with wise men becometh wise; but a companion of the foolish will be depraved.
Proverbs 19:27
Cease, my son, to hear the instruction which causeth to stray from the words of knowledge.
1 Corinthians 5:11
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.
Ephesians 5:11
and do not have fellowship with the unfruitful works of darkness, but rather also reprove them,