Proverbs 14:7
Leave {the presence of a foolish man}, [for] you will not [come to] know {words of knowledge}.
Proverbs 9:6
Lay aside simplicity and live; walk in the way of understanding."
Proverbs 13:20
Walk with the wise and be wise, but as for the companion of fools, he will suffer harm.
Proverbs 19:27
Cease to listen to instruction, my child, {and you will stray} from sayings of knowledge.
1 Corinthians 5:11
But now I have written to you not to associate with any so-called brother, if he is a sexually immoral person or a greedy person or an idolater or an abusive person or a drunkard or a swindler--with such a person not even to eat.
Ephesians 5:11
And do not participate in the unfruitful deeds of darkness, but rather even expose [them].