Loveth wisdom; and therefore hateth and escheweth all folly and wickedness. Keepeth company with harlots; whereby he plainly discovers himself to want wisdom; of which see Proverbs 7:7, &c. Spendeth his substance; whereby he not only ruineth himself, but also grieveth his father, as is implied from the opposite clause.
Related Commentaries of Proverbs 29:3
Proverbs 29:3
3 Whoso loveth wisdom rejoiceth his father: but he that keepeth company with harlots spendeth his substance.