Proverbs 21:8 Philosophy

הֲפַכְפַּ֬ךְ דֶּ֣רֶךְ אִ֣ישׁ וָזָ֑ר וְ֝זַ֗ךְ יָשָׁ֥ר פָּעֳלֽוֹ׃

The way of man is froward and strange; But as for the pure, his work is right.

Read Jewish philosophical commentary on Proverbs 21:8: and classical philosophical sources.