מְ֭קַלֵּל אָבִ֣יו וְאִמּ֑וֹ יִֽדְעַ֥ךְ נֵ֝ר֗וֹ באישון [בֶּאֱשׁ֥וּן] חֹֽשֶׁךְ׃
Whoso curseth his father or his mother, his lamp shall be put out in the blackest darkness.
Find Talmudic references to Proverbs 20:20: , passages from the Talmud Bavli and Yerushalmi.