כֻּלּ֥וֹ סָג֮ יַחְדָּ֪ו נֶ֫אֱלָ֥חוּ אֵ֤ין עֹֽשֵׂה־ט֑וֹב אֵ֝֗ין גַּם־אֶחָֽד׃
Every one of them is unclean, they are together become impure; There is none that doeth good, no, not one.
Read midrashic interpretation of Psalms 53:4: and classical rabbinic exegesis.