Jeremiah 18:12 Halakhah

וְאָמְר֖וּ נוֹאָ֑שׁ כִּֽי־אַחֲרֵ֤י מַחְשְׁבוֹתֵ֙ינוּ֙ נֵלֵ֔ךְ וְאִ֛ישׁ שְׁרִר֥וּת לִבּֽוֹ־הָרָ֖ע נַעֲשֶֽׂה׃ (ס)

But they say: There is no hope; but we will walk after our own devices, and we will do every one after the stubbornness of his evil heart.’

Read halakhic rulings (Jewish law) on Jeremiah 18:12: and classical halakhic sources.