John Gills Exposition of the Bible Commentary - Proverbs 28:5
Evil men understand not judgment ,.... Or, "men of wickedness" F2 אנשי רע "viri mali, (in genitivo casu)", Mercerus; "vel malitiae", Baynus, Gejerus. ; that are under the governing power of it; who are given up and give up themselves unto it; who, like Ahab, sell themselves to work wickedness: these know not what is just and right between man and man, at least not to do it; they know it not practically; they are wise to do evil, but to do good have no knowledge, Jeremiah 4:22 ;... read more
Matthew Henry's Complete Commentary - Proverbs 28:5
Note, I. As the prevalency of men's lusts is owing to the darkness of their understandings, so the darkness of their understandings is very much owing to the dominion of their lusts: Men understand not judgment, discern not between truth and falsehood, right and wrong; they understand not the law of God as the rule either of their duty or of their doom; and, 1. Therefore it is that they are evil men; their wickedness is the effect of their ignorance and error, Eph. 4:18. 2. Therefore they... read more