Cross reference
Proverbs 14:7
7 Go from before a foolish man, Or thou hast not known the lips of knowledge.
Proverbs 13:20
20 Whoso is walking with wise men is wise, And a companion of fools suffereth evil.
Proverbs 9:6
6 Forsake ye, the simple, and live, And be happy in the way of understanding.
Proverbs 19:27
27 Cease, my son, to hear instruction -- To err from sayings of knowledge.
Ephesians 5:11
11 and have no fellowship with the unfruitful works of the darkness and rather even convict,
1 Corinthians 5:11
11 and now, I did write to you not to keep company with `him', if any one, being named a brother, may be a whoremonger, or covetous, or an idolater, or a railer, or a drunkard, or an extortioner -- with such a one not even to eat together;