Cross reference
Proverbs 14:7
7 Go into the presence of a foolish man, And thou shalt not perceive `in him' the lips of knowledge.
Proverbs 13:20
20 Walk with wise men, and thou shalt be wise; But the companion of fools shall smart for it.
Proverbs 9:6
6 Leave off, ye simple ones, and live; And walk in the way of understanding.
Proverbs 19:27
27 Cease, my son, to hear instruction `Only' to err from the words of knowledge.
Ephesians 5:11
11 and have no fellowship with the unfruitful works of darkness, but rather even reprove them;
1 Corinthians 5:11
11 but as it is, I wrote unto you not to keep company, if any man that is named a brother be a fornicator, or covetous, or an idolater, or a reviler, or a drunkard, or an extortioner; with such a one no, not to eat.