John Gills Exposition of the Bible Commentary - Proverbs 16:30
He shutteth his eyes to devise froward things ,.... Or "perverse" or "contrary things" F18 תהפכות "perversitates", Pagninus, Montanus, Baynus, Mercerus, Gejerus; "res perversas", Junius & Tremellius, Piscator; "perversa", Michaelis. ; he shuts his eyes, that his thoughts might not be disturbed and distracted by visible objects, but might be more free and composed, and intent upon the things he is meditating and devising; or he shuts his eyes against light, against Scripture... read more
Matthew Henry's Complete Commentary - Proverbs 16:29-30
Here is another sort of evil men described to us, that we may neither do like them, nor have any thing to do with them. 1. Such as (like Satan) do all the mischief they can by force and violence, as roaring lions, and not only by fraud and insinuation, as subtle serpents: They are violent men, that do all by rapine and oppression, that shut their eyes, meditating with the closest intention and application of mind to devise froward things, to contrive how they may do the greatest mischief to... read more