Proverbs 19:9 - Matthew Poole's English Annotations on the Holy Bible

This was said before, Proverbs 19:5, and seems to be here repeated, either for its great use and weight in human society, and to show how much God abhors such practices; or to show the pernicious effects of this sin, and consequently of all other sins, one eminent kind being put for all the rest, and this in opposition to the good effects of wisdom or piety, which he declared in the foregoing verse.