Proverbs 14:7

Go into the presence of a foolish man, And thou shalt not perceive in him the lips of knowledge.

Proverbs 9:6

Leave off, ye simple ones, and live; And walk in the way of understanding.

Proverbs 13:20

Walk with wise men, and thou shalt be wise; But the companion of fools shall smart for it.

Proverbs 19:27

Cease, my son, to hear instruction Only to err from the words of knowledge.

1 Corinthians 5:11

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.

Ephesians 5:11

and have no fellowship with the unfruitful works of darkness, but rather even reprove them;

Treasury of Scripture Knowledge

Summary

Go from the presence of a foolish man, when thou perceivest not in him the lips of knowledge.

Bible References

General references

Proverbs 9:6
Leave off, ye simple ones, and live; And walk in the way of understanding.
Proverbs 13:20
Walk with wise men, and thou shalt be wise; But the companion of fools shall smart for it.
Proverbs 19:27
Cease, my son, to hear instruction Only to err from the words of knowledge.
1 Corinthians 5:11
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.
Ephesians 5:11
and have no fellowship with the unfruitful works of darkness, but rather even reprove them;

American Standard Version Public Domain