Proverbs 13:20 in the World English Bible
One who walks with wise men grows wise, but a companion of fools suffers harm.
Context
19 The desire accomplished is sweet to the soul: but it is abomination to fools to depart from evil.
20 He that walketh with wise men shall be wise: but a companion of fools shall be destroyed.
21 Evil pursueth sinners: but to the righteous good shall be repayed.