Psalms 14:3 Philosophy

הַכֹּ֥ל סָר֮ יַחְדָּ֪ו נֶ֫אֱלָ֥חוּ אֵ֤ין עֹֽשֵׂה־ט֑וֹב אֵ֝֗ין גַּם־אֶחָֽד׃

They are all corrupt, they are together become impure; there is none that doeth good, no, not one.

Read Jewish philosophical commentary on Psalms 14:3: and classical philosophical sources.