Jewish Philosophy on Jeremiah 2:22: Rambam & Classical Sources

כִּ֤י אִם־תְּכַבְּסִי֙ בַּנֶּ֔תֶר וְתַרְבִּי־לָ֖ךְ בֹּרִ֑ית נִכְתָּ֤ם עֲוֺנֵךְ֙ לְפָנַ֔י נְאֻ֖ם אֲדֹנָ֥י יְהוִֽה׃

For though thou wash thee with nitre, and take thee much soap, yet thine iniquity is marked before Me, saith the Lord GOD.

Read Jewish philosophy on Jeremiah 2:22: Rambam's Guide for the Perplexed, Saadia Gaon, and classical Jewish philosophical sources, free online.