Proverbs 14:7
Get thee from the presence of a man that is a dullard, when thou perceivest not the lips of knowledge.
Proverbs 9:6
Forsake the simple ones, and live, and advance in the way of understanding.
Proverbs 13:20
He that walketh with the wise, becometh wise, but, the friend of dullards, becometh foolish.
Proverbs 19:27
Cease, my son, to hear instruction that would cause thee to wander from the sayings of knowledge.
1 Corinthians 5:11
But, now, I have written unto you not to be mixing yourselves up, - if anyone named a brother, be a fornicator, or covetous, or an idolater, or a reviler, or a drunkard, or an extortioner, with such a one as this, not so much, as to be eating together,
Ephesians 5:11
And be not joining in fellowship in the unfruitful works of darkness, but, rather, be even administering reproof;