Proverbs 14:7
Leave the presence of a fool, for there you do not meet words of knowledge.
Proverbs 9:6
Leave your simple ways, and live, and walk in the way of insight."
Proverbs 13:20
Whoever walks with the wise becomes wise, but the companion of fools will suffer harm.
Proverbs 19:27
Cease to hear instruction, my son, and you will stray from the words of knowledge.
1 Corinthians 5:11
But now I am writing to you not to associate with anyone who bears the name of brother if he is guilty of sexual immorality or greed, or is an idolater, reviler, drunkard, or swindler--not even to eat with such a one.
Ephesians 5:11
Take no part in the unfruitful works of darkness, but instead expose them.