שָׂמָהּ֙ לִשְׁמָמָ֔ה אָבְלָ֥ה עָלַ֖י שְׁמֵמָ֑ה נָשַׁ֙מָּה֙ כָּל־הָאָ֔רֶץ כִּ֛י אֵ֥ין אִ֖ישׁ שָׂ֥ם עַל־לֵֽב׃
They have made it a desolation, It mourneth unto Me, being desolate; The whole land is made desolate, Because no man layeth it to heart.
Read halakhic rulings (Jewish law) on Jeremiah 12:11: and classical halakhic sources.